No. Time Source Destination Protocol Length Info 50 8.742557 192.168.16.251 172.16.48.3 SIP/SDP 1442 Request: INVITE sip:7100@172.16.48.3 | Frame 50: 1442 bytes on wire (11536 bits), 1442 bytes captured (11536 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:04.909150000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:04.909150000 UTC Epoch Arrival Time: 1759768684.909150000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.620450000 seconds] [Time delta from previous displayed frame: 0.000000000 seconds] [Time since reference or first frame: 8.742557000 seconds] Frame Number: 50 Frame Length: 1442 bytes (11536 bits) Capture Length: 1442 bytes (11536 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1428 Identification: 0x7527 (29991) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x127b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1408 Checksum: 0x9766 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 1] [Timestamps] [Time since first frame: 0.000000000 seconds] [Time since previous frame: 0.000000000 seconds] UDP payload (1400 bytes) Session Initiation Protocol (INVITE) Request-Line: INVITE sip:7100@172.16.48.3 SIP/2.0 Method: INVITE Request-URI: sip:7100@172.16.48.3 Request-URI User Part: 7100 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25531 INVITE Sequence Number: 25531 Method: INVITE Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 User-Agent: MicroSIP/3.22.0 Content-Type: application/sdp Content-Length: 782 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761084 IN IP4 192.168.16.251 Owner Username: - Session ID: 3968761084 Session Version: 3968761084 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 192.168.16.251 Session Name (s): pjmedia Bandwidth Information (b): AS:352 Bandwidth Modifier: AS [Application Specific (RTP session bandwidth)] Bandwidth Value: 352 kb/s Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Session Attribute (a): X-nat:0 Session Attribute Fieldname: X-nat Session Attribute Value: 0 Media Description, name and address (m): audio 4000 RTP/AVP 8 0 101 Media Type: audio Media Port: 4000 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMA Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:64000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 64000 b/s Media Attribute (a): rtcp:4001 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4001 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ssrc:975455876 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 975455876 cname:4b5125155c410d43 Media Description, name and address (m): video 4002 RTP/AVP 99 98 100 101 Media Type: video Media Port: 4002 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-98 Media Format: DynamicRTP-Type-100 Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:256000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 256000 b/s Media Attribute (a): rtcp:4003 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4003 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:99 H264/90000 Media Attribute Fieldname: rtpmap Media Format: 99 MIME Type: H264 Sample Rate: 90000 Media Attribute (a): fmtp:99 profile-level-id=42e01e; packetization-mode=1 Media Attribute Fieldname: fmtp Media Format: 99 [H264] Media format specific parameters: profile-level-id=42e01e Profile: 42e01e Profile_idc: Baseline profile (66) 1... .... = Constraint_set0_flag: 1 .1.. .... = Constraint_set1_flag: 1 ..1. .... = Constraint_set2_flag: 1 ...0 .... = Constraint_set3_flag: 0 .... 0... = Constraint_set4_flag: 0 .... .0.. = Constraint_set5_flag: 0 .... ..00 = Reserved_zero_2bits: 0 Level_id: 30 [Level 3.0 10 Mb/s] Media format specific parameters: packetization-mode=1 [Packetization mode: Non-interleaved mode (1)] Media Attribute (a): rtpmap:98 H263-1998/90000 Media Attribute Fieldname: rtpmap Media Format: 98 MIME Type: H263-1998 Sample Rate: 90000 Media Attribute (a): fmtp:98 CIF=1;QCIF=1 Media Attribute Fieldname: fmtp Media Format: 98 [H263-1998] Media format specific parameters: CIF=1 Media format specific parameters: QCIF=1 Media Attribute (a): rtpmap:100 VP8/90000 Media Attribute Fieldname: rtpmap Media Format: 100 MIME Type: VP8 Sample Rate: 90000 Media Attribute (a): fmtp:100 max-fr=30; max-fs=580 Media Attribute Fieldname: fmtp Media Format: 100 [VP8] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): rtpmap:101 VP9/90000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: VP9 Sample Rate: 90000 Media Attribute (a): fmtp:101 max-fr=30; max-fs=580 Media Attribute Fieldname: fmtp Media Format: 101 [VP9] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): ssrc:876035735 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 876035735 cname:4b5125155c410d43 Media Attribute (a): rtcp-fb:* nack pli Media Attribute Fieldname: rtcp-fb Media Attribute Value: * nack pli [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 51 8.759023 172.16.48.3 192.168.16.251 SIP 617 Status: 401 Unauthorized | Frame 51: 617 bytes on wire (4936 bits), 617 bytes captured (4936 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:04.925616000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:04.925616000 UTC Epoch Arrival Time: 1759768684.925616000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.016466000 seconds] [Time delta from previous displayed frame: 0.016466000 seconds] [Time since reference or first frame: 8.759023000 seconds] Frame Number: 51 Frame Length: 617 bytes (4936 bits) Capture Length: 617 bytes (4936 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 603 Identification: 0x6b7f (27519) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x225c [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 583 Checksum: 0xb827 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 2] [Timestamps] [Time since first frame: 0.016466000 seconds] [Time since previous frame: 0.016466000 seconds] UDP payload (575 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 50] [Response Time (ms): 16] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d CSeq: 25531 INVITE Sequence Number: 25531 Method: INVITE WWW-Authenticate: Digest realm="asterisk",nonce="1759770937/40af6c4fdd4f264a577a15b9b62ec635",opaque="66f98ddf2a136473",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759770937/40af6c4fdd4f264a577a15b9b62ec635" Opaque Value: "66f98ddf2a136473" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 52 8.759623 192.168.16.251 172.16.48.3 SIP 411 Request: ACK sip:7100@172.16.48.3 | Frame 52: 411 bytes on wire (3288 bits), 411 bytes captured (3288 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:04.926216000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:04.926216000 UTC Epoch Arrival Time: 1759768684.926216000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000600000 seconds] [Time delta from previous displayed frame: 0.000600000 seconds] [Time since reference or first frame: 8.759623000 seconds] Frame Number: 52 Frame Length: 411 bytes (3288 bits) Capture Length: 411 bytes (3288 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 397 Identification: 0x7528 (29992) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1681 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 377 Checksum: 0x7fbd [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 3] [Timestamps] [Time since first frame: 0.017066000 seconds] [Time since previous frame: 0.000600000 seconds] UDP payload (369 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:7100@172.16.48.3 SIP/2.0 Method: ACK Request-URI: sip:7100@172.16.48.3 Request-URI User Part: 7100 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] [Request Frame: 50] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjf5b4af20c7954f74a34bb0b006f1cf0d Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25531 ACK Sequence Number: 25531 Method: ACK Content-Length: 0 No. Time Source Destination Protocol Length Info 54 8.760120 192.168.16.251 172.16.48.3 SIP/SDP 253 Request: INVITE sip:7100@172.16.48.3 | Frame 54: 253 bytes on wire (2024 bits), 253 bytes captured (2024 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:04.926713000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:04.926713000 UTC Epoch Arrival Time: 1759768684.926713000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.000497000 seconds] [Time since reference or first frame: 8.760120000 seconds] Frame Number: 54 Frame Length: 253 bytes (2024 bits) Capture Length: 253 bytes (2024 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 239 Identification: 0x7529 (29993) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 1011 1001 = Fragment Offset: 1480 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1665 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [2 IPv4 Fragments (1699 bytes): #53(1480), #54(219)] [Frame: 53, payload: 0-1479 (1480 bytes)] [Frame: 54, payload: 1480-1698 (219 bytes)] [Fragment count: 2] [Reassembled IPv4 length: 1699] [Reassembled IPv4 data […]: dfdb13c406a3e6e1494e56495445207369703a37313030403137322e31362e34382e33205349502f322e300d0a5669613a205349502f322e302f554450203139322e3136382e31362e3235313a35373330373b72706f72743b6272616e63683d7a39684734624b506a] [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1699 Checksum: 0xe6e1 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 4] [Timestamps] [Time since first frame: 0.017563000 seconds] [Time since previous frame: 0.000497000 seconds] UDP payload (1691 bytes) Session Initiation Protocol (INVITE) Request-Line: INVITE sip:7100@172.16.48.3 SIP/2.0 Method: INVITE Request-URI: sip:7100@172.16.48.3 Request-URI User Part: 7100 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25532 INVITE Sequence Number: 25532 Method: INVITE Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800 Min-SE: 90 User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759770937/40af6c4fdd4f264a577a15b9b62ec635", uri="sip:7100@172.16.48.3", response="c9343b5f22fbe8b92fbea65ba46738dc", algorithm=MD5, cnonce="5a4f99ffff9a467a8fb3c332b4a Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759770937/40af6c4fdd4f264a577a15b9b62ec635" Authentication URI: "sip:7100@172.16.48.3" Digest Authentication Response: "c9343b5f22fbe8b92fbea65ba46738dc" Algorithm: MD5 CNonce Value: "5a4f99ffff9a467a8fb3c332b4ace7de" Opaque Value: "66f98ddf2a136473" QOP: auth Nonce Count: 00000001 Content-Type: application/sdp Content-Length: 782 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761084 IN IP4 192.168.16.251 Owner Username: - Session ID: 3968761084 Session Version: 3968761084 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 192.168.16.251 Session Name (s): pjmedia Bandwidth Information (b): AS:352 Bandwidth Modifier: AS [Application Specific (RTP session bandwidth)] Bandwidth Value: 352 kb/s Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Session Attribute (a): X-nat:0 Session Attribute Fieldname: X-nat Session Attribute Value: 0 Media Description, name and address (m): audio 4000 RTP/AVP 8 0 101 Media Type: audio Media Port: 4000 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMA Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:64000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 64000 b/s Media Attribute (a): rtcp:4001 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4001 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ssrc:975455876 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 975455876 cname:4b5125155c410d43 Media Description, name and address (m): video 4002 RTP/AVP 99 98 100 101 Media Type: video Media Port: 4002 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-98 Media Format: DynamicRTP-Type-100 Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:256000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 256000 b/s Media Attribute (a): rtcp:4003 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4003 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:99 H264/90000 Media Attribute Fieldname: rtpmap Media Format: 99 MIME Type: H264 Sample Rate: 90000 Media Attribute (a): fmtp:99 profile-level-id=42e01e; packetization-mode=1 Media Attribute Fieldname: fmtp Media Format: 99 [H264] Media format specific parameters: profile-level-id=42e01e Profile: 42e01e Profile_idc: Baseline profile (66) 1... .... = Constraint_set0_flag: 1 .1.. .... = Constraint_set1_flag: 1 ..1. .... = Constraint_set2_flag: 1 ...0 .... = Constraint_set3_flag: 0 .... 0... = Constraint_set4_flag: 0 .... .0.. = Constraint_set5_flag: 0 .... ..00 = Reserved_zero_2bits: 0 Level_id: 30 [Level 3.0 10 Mb/s] Media format specific parameters: packetization-mode=1 [Packetization mode: Non-interleaved mode (1)] Media Attribute (a): rtpmap:98 H263-1998/90000 Media Attribute Fieldname: rtpmap Media Format: 98 MIME Type: H263-1998 Sample Rate: 90000 Media Attribute (a): fmtp:98 CIF=1;QCIF=1 Media Attribute Fieldname: fmtp Media Format: 98 [H263-1998] Media format specific parameters: CIF=1 Media format specific parameters: QCIF=1 Media Attribute (a): rtpmap:100 VP8/90000 Media Attribute Fieldname: rtpmap Media Format: 100 MIME Type: VP8 Sample Rate: 90000 Media Attribute (a): fmtp:100 max-fr=30; max-fs=580 Media Attribute Fieldname: fmtp Media Format: 100 [VP8] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): rtpmap:101 VP9/90000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: VP9 Sample Rate: 90000 Media Attribute (a): fmtp:101 max-fr=30; max-fs=580 Media Attribute Fieldname: fmtp Media Format: 101 [VP9] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): ssrc:876035735 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 876035735 cname:4b5125155c410d43 Media Attribute (a): rtcp-fb:* nack pli Media Attribute Fieldname: rtcp-fb Media Attribute Value: * nack pli [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 55 8.783958 172.16.48.3 192.168.16.251 SIP 419 Status: 100 Trying | Frame 55: 419 bytes on wire (3352 bits), 419 bytes captured (3352 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:04.950551000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:04.950551000 UTC Epoch Arrival Time: 1759768684.950551000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.023838000 seconds] [Time delta from previous displayed frame: 0.023838000 seconds] [Time since reference or first frame: 8.783958000 seconds] Frame Number: 55 Frame Length: 419 bytes (3352 bits) Capture Length: 419 bytes (3352 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 405 Identification: 0x6b8d (27533) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2314 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 385 Checksum: 0xb0a2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 5] [Timestamps] [Time since first frame: 0.041401000 seconds] [Time since previous frame: 0.023838000 seconds] UDP payload (377 bytes) Session Initiation Protocol (100) Status-Line: SIP/2.0 100 Trying Status-Code: 100 [Resent Packet: False] [Request Frame: 54] [Response Time (ms): 23] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 CSeq: 25532 INVITE Sequence Number: 25532 Method: INVITE Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 64 9.149909 172.16.48.3 192.168.16.251 SIP 611 Status: 180 Ringing | Frame 64: 611 bytes on wire (4888 bits), 611 bytes captured (4888 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:05.316502000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:05.316502000 UTC Epoch Arrival Time: 1759768685.316502000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.187081000 seconds] [Time delta from previous displayed frame: 0.365951000 seconds] [Time since reference or first frame: 9.149909000 seconds] Frame Number: 64 Frame Length: 611 bytes (4888 bits) Capture Length: 611 bytes (4888 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 597 Identification: 0x6c02 (27650) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x21df [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 577 Checksum: 0x9af1 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 6] [Timestamps] [Time since first frame: 0.407352000 seconds] [Time since previous frame: 0.365951000 seconds] UDP payload (569 bytes) Session Initiation Protocol (180) Status-Line: SIP/2.0 180 Ringing Status-Code: 180 [Resent Packet: False] [Request Frame: 54] [Response Time (ms): 390] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25532 INVITE Sequence Number: 25532 Method: INVITE Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Content-Length: 0 No. Time Source Destination Protocol Length Info 66 9.173281 172.16.48.3 192.168.16.251 SIP/SDP 1179 Status: 200 OK (INVITE) | Frame 66: 1179 bytes on wire (9432 bits), 1179 bytes captured (9432 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:05.339874000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:05.339874000 UTC Epoch Arrival Time: 1759768685.339874000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.021951000 seconds] [Time delta from previous displayed frame: 0.023372000 seconds] [Time since reference or first frame: 9.173281000 seconds] Frame Number: 66 Frame Length: 1179 bytes (9432 bits) Capture Length: 1179 bytes (9432 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1165 Identification: 0x6c11 (27665) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1f98 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 1145 Checksum: 0xd9c9 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 7] [Timestamps] [Time since first frame: 0.430724000 seconds] [Time since previous frame: 0.023372000 seconds] UDP payload (1137 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 54] [Response Time (ms): 414] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25532 INVITE Sequence Number: 25532 Method: INVITE Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800;refresher=uac Require: timer Content-Type: application/sdp Content-Length: 438 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761086 IN IP4 172.16.48.3 Owner Username: - Session ID: 3968761084 Session Version: 3968761086 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 172.16.48.3 Session Name (s): Asterisk Connection Information (c): IN IP4 172.16.48.3 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 172.16.48.3 Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Media Description, name and address (m): audio 10276 RTP/AVP 0 8 101 Media Type: audio Media Port: 10276 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: ITU-T G.711 PCMA Media Format: DynamicRTP-Type-101 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ptime:20 Media Attribute Fieldname: ptime Media Attribute Value: 20 Media Attribute (a): maxptime:140 Media Attribute Fieldname: maxptime Media Attribute Value: 140 Media Attribute (a): sendrecv Media Description, name and address (m): video 17942 RTP/AVP 99 100 Media Type: video Media Port: 17942 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-100 Media Attribute (a): rtpmap:99 H264/90000 Media Attribute Fieldname: rtpmap Media Format: 99 MIME Type: H264 Sample Rate: 90000 Media Attribute (a): fmtp:99 packetization-mode=1;profile-level-id=42E01E Media Attribute Fieldname: fmtp Media Format: 99 [H264] Media format specific parameters: packetization-mode=1 [Packetization mode: Non-interleaved mode (1)] Media format specific parameters: profile-level-id=42E01E Profile: 42e01e Profile_idc: Baseline profile (66) 1... .... = Constraint_set0_flag: 1 .1.. .... = Constraint_set1_flag: 1 ..1. .... = Constraint_set2_flag: 1 ...0 .... = Constraint_set3_flag: 0 .... 0... = Constraint_set4_flag: 0 .... .0.. = Constraint_set5_flag: 0 .... ..00 = Reserved_zero_2bits: 0 Level_id: 30 [Level 3.0 10 Mb/s] Media Attribute (a): rtpmap:100 VP8/90000 Media Attribute Fieldname: rtpmap Media Format: 100 MIME Type: VP8 Sample Rate: 90000 Media Attribute (a): fmtp:100 max-fr=30;max-fs=580 Media Attribute Fieldname: fmtp Media Format: 100 [VP8] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): sendrecv [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 84 9.672400 172.16.48.3 192.168.16.251 SIP/SDP 1179 Status: 200 OK (INVITE) | Frame 84: 1179 bytes on wire (9432 bits), 1179 bytes captured (9432 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:05.838993000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:05.838993000 UTC Epoch Arrival Time: 1759768685.838993000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007991000 seconds] [Time delta from previous displayed frame: 0.499119000 seconds] [Time since reference or first frame: 9.672400000 seconds] Frame Number: 84 Frame Length: 1179 bytes (9432 bits) Capture Length: 1179 bytes (9432 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1165 Identification: 0x6cdf (27871) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1eca [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 1145 Checksum: 0xd9c9 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 8] [Timestamps] [Time since first frame: 0.929843000 seconds] [Time since previous frame: 0.499119000 seconds] UDP payload (1137 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: True] [Suspected resend of frame: 66] [Request Frame: 54] [Response Time (ms): 913] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf29fbc4fbdee43358c0e6cf934eefb12 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25532 INVITE Sequence Number: 25532 Method: INVITE Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800;refresher=uac Require: timer Content-Type: application/sdp Content-Length: 438 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761086 IN IP4 172.16.48.3 Owner Username: - Session ID: 3968761084 Session Version: 3968761086 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 172.16.48.3 Session Name (s): Asterisk Connection Information (c): IN IP4 172.16.48.3 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 172.16.48.3 Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Media Description, name and address (m): audio 10276 RTP/AVP 0 8 101 Media Type: audio Media Port: 10276 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: ITU-T G.711 PCMA Media Format: DynamicRTP-Type-101 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ptime:20 Media Attribute Fieldname: ptime Media Attribute Value: 20 Media Attribute (a): maxptime:140 Media Attribute Fieldname: maxptime Media Attribute Value: 140 Media Attribute (a): sendrecv Media Description, name and address (m): video 17942 RTP/AVP 99 100 Media Type: video Media Port: 17942 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-100 Media Attribute (a): rtpmap:99 H264/90000 Media Attribute Fieldname: rtpmap Media Format: 99 MIME Type: H264 Sample Rate: 90000 Media Attribute (a): fmtp:99 packetization-mode=1;profile-level-id=42E01E Media Attribute Fieldname: fmtp Media Format: 99 [H264] Media format specific parameters: packetization-mode=1 [Packetization mode: Non-interleaved mode (1)] Media format specific parameters: profile-level-id=42E01E Profile: 42e01e Profile_idc: Baseline profile (66) 1... .... = Constraint_set0_flag: 1 .1.. .... = Constraint_set1_flag: 1 ..1. .... = Constraint_set2_flag: 1 ...0 .... = Constraint_set3_flag: 0 .... 0... = Constraint_set4_flag: 0 .... .0.. = Constraint_set5_flag: 0 .... ..00 = Reserved_zero_2bits: 0 Level_id: 30 [Level 3.0 10 Mb/s] Media Attribute (a): rtpmap:100 VP8/90000 Media Attribute Fieldname: rtpmap Media Format: 100 MIME Type: VP8 Sample Rate: 90000 Media Attribute (a): fmtp:100 max-fr=30;max-fs=580 Media Attribute Fieldname: fmtp Media Format: 100 [VP8] Media format specific parameters: max-fr=30 Media format specific parameters: max-fs=580 Media Attribute (a): sendrecv [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 123 10.174276 192.168.16.251 172.16.48.3 SIP 406 Request: ACK sip:172.16.48.3:5060 | Frame 123: 406 bytes on wire (3248 bits), 406 bytes captured (3248 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.340869000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.340869000 UTC Epoch Arrival Time: 1759768686.340869000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000390000 seconds] [Time delta from previous displayed frame: 0.501876000 seconds] [Time since reference or first frame: 10.174276000 seconds] Frame Number: 123 Frame Length: 406 bytes (3248 bits) Capture Length: 406 bytes (3248 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 392 Identification: 0x7534 (30004) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x167a [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 372 Checksum: 0x1388 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 9] [Timestamps] [Time since first frame: 1.431719000 seconds] [Time since previous frame: 0.501876000 seconds] UDP payload (364 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:172.16.48.3:5060 SIP/2.0 Method: ACK Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] [Request Frame: 54] [Response Time (ms): 1415] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj12fa28530323455a8863b79065722eb4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj12fa28530323455a8863b79065722eb4 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25532 ACK Sequence Number: 25532 Method: ACK Content-Length: 0 No. Time Source Destination Protocol Length Info 124 10.174563 192.168.16.251 172.16.48.3 SIP 406 Request: ACK sip:172.16.48.3:5060 | Frame 124: 406 bytes on wire (3248 bits), 406 bytes captured (3248 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.341156000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.341156000 UTC Epoch Arrival Time: 1759768686.341156000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000287000 seconds] [Time delta from previous displayed frame: 0.000287000 seconds] [Time since reference or first frame: 10.174563000 seconds] Frame Number: 124 Frame Length: 406 bytes (3248 bits) Capture Length: 406 bytes (3248 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 392 Identification: 0x7535 (30005) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1679 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 372 Checksum: 0x1388 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 10] [Timestamps] [Time since first frame: 1.432006000 seconds] [Time since previous frame: 0.000287000 seconds] UDP payload (364 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:172.16.48.3:5060 SIP/2.0 Method: ACK Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] [Request Frame: 123] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj12fa28530323455a8863b79065722eb4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj12fa28530323455a8863b79065722eb4 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25532 ACK Sequence Number: 25532 Method: ACK Content-Length: 0 No. Time Source Destination Protocol Length Info 125 10.175028 192.168.16.251 172.16.48.3 SIP/SDP 963 Request: UPDATE sip:172.16.48.3:5060 | Frame 125: 963 bytes on wire (7704 bits), 963 bytes captured (7704 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.341621000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.341621000 UTC Epoch Arrival Time: 1759768686.341621000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000465000 seconds] [Time delta from previous displayed frame: 0.000465000 seconds] [Time since reference or first frame: 10.175028000 seconds] Frame Number: 125 Frame Length: 963 bytes (7704 bits) Capture Length: 963 bytes (7704 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 949 Identification: 0x7536 (30006) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x144b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 929 Checksum: 0x244e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 11] [Timestamps] [Time since first frame: 1.432471000 seconds] [Time since previous frame: 0.000465000 seconds] UDP payload (921 bytes) Session Initiation Protocol (UPDATE) Request-Line: UPDATE sip:172.16.48.3:5060 SIP/2.0 Method: UPDATE Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj50f8d34e1aa9469cb6b7e8e5fbe2310b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj50f8d34e1aa9469cb6b7e8e5fbe2310b Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25533 UPDATE Sequence Number: 25533 Method: UPDATE Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800;refresher=uac Min-SE: 90 Content-Type: application/sdp Content-Length: 375 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761085 IN IP4 192.168.16.251 Owner Username: - Session ID: 3968761084 Session Version: 3968761085 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 192.168.16.251 Session Name (s): pjmedia Bandwidth Information (b): AS:84 Bandwidth Modifier: AS [Application Specific (RTP session bandwidth)] Bandwidth Value: 84 kb/s Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Session Attribute (a): X-nat:0 Session Attribute Fieldname: X-nat Session Attribute Value: 0 Media Description, name and address (m): audio 4000 RTP/AVP 0 101 Media Type: audio Media Port: 4000 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:64000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 64000 b/s Media Attribute (a): rtcp:4001 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4001 IN IP4 192.168.16.251 Media Attribute (a): ssrc:975455876 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 975455876 cname:4b5125155c410d43 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): sendrecv Media Description, name and address (m): video 0 RTP/AVP 31 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: ITU-T H.261 Connection Information (c): IN IP4 127.0.0.1 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 127.0.0.1 Media Attribute (a): inactive [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 126 10.183890 172.16.48.3 192.168.16.251 SIP/SDP 1057 Request: INVITE sip:1606@192.168.16.251:57307;ob, in-dialog | Frame 126: 1057 bytes on wire (8456 bits), 1057 bytes captured (8456 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.350483000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.350483000 UTC Epoch Arrival Time: 1759768686.350483000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008862000 seconds] [Time delta from previous displayed frame: 0.008862000 seconds] [Time since reference or first frame: 10.183890000 seconds] Frame Number: 126 Frame Length: 1057 bytes (8456 bits) Capture Length: 1057 bytes (8456 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1043 Identification: 0x6dd6 (28118) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1e4d [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 1023 Checksum: 0x047c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 12] [Timestamps] [Time since first frame: 1.441333000 seconds] [Time since previous frame: 0.008862000 seconds] UDP payload (1015 bytes) Session Initiation Protocol (INVITE) Request-Line: INVITE sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: INVITE Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15432 INVITE Sequence Number: 15432 Method: INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub, histinfo Session-Expires: 1800;refresher=uas Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Type: application/sdp Content-Length: 285 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761087 IN IP4 172.16.48.3 Owner Username: - Session ID: 3968761084 Session Version: 3968761087 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 172.16.48.3 Session Name (s): Asterisk Connection Information (c): IN IP4 172.16.48.3 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 172.16.48.3 Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Media Description, name and address (m): audio 10276 RTP/AVP 0 8 101 Media Type: audio Media Port: 10276 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: ITU-T G.711 PCMA Media Format: DynamicRTP-Type-101 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ptime:20 Media Attribute Fieldname: ptime Media Attribute Value: 20 Media Attribute (a): maxptime:140 Media Attribute Fieldname: maxptime Media Attribute Value: 140 Media Attribute (a): sendrecv Media Description, name and address (m): video 0 RTP/AVP 99 100 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-100 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 127 10.184319 192.168.16.251 172.16.48.3 SIP 412 Status: 491 Request Pending | Frame 127: 412 bytes on wire (3296 bits), 412 bytes captured (3296 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.350912000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.350912000 UTC Epoch Arrival Time: 1759768686.350912000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000429000 seconds] [Time delta from previous displayed frame: 0.000429000 seconds] [Time since reference or first frame: 10.184319000 seconds] Frame Number: 127 Frame Length: 412 bytes (3296 bits) Capture Length: 412 bytes (3296 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 398 Identification: 0x7537 (30007) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1671 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 378 Checksum: 0x0c41 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 13] [Timestamps] [Time since first frame: 1.441762000 seconds] [Time since previous frame: 0.000429000 seconds] UDP payload (370 bytes) Session Initiation Protocol (491) Status-Line: SIP/2.0 491 Request Pending Status-Code: 491 [Resent Packet: False] [Request Frame: 126] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 CSeq: 15432 INVITE Sequence Number: 15432 Method: INVITE Content-Length: 0 No. Time Source Destination Protocol Length Info 128 10.184437 172.16.48.3 192.168.16.251 SIP 493 Status: 491 Request Pending | Frame 128: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.351030000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.351030000 UTC Epoch Arrival Time: 1759768686.351030000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000118000 seconds] [Time delta from previous displayed frame: 0.000118000 seconds] [Time since reference or first frame: 10.184437000 seconds] Frame Number: 128 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0x6dd7 (28119) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2080 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0x0126 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 14] [Timestamps] [Time since first frame: 1.441880000 seconds] [Time since previous frame: 0.000118000 seconds] UDP payload (451 bytes) Session Initiation Protocol (491) Status-Line: SIP/2.0 491 Request Pending Status-Code: 491 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj50f8d34e1aa9469cb6b7e8e5fbe2310b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj50f8d34e1aa9469cb6b7e8e5fbe2310b Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25533 UPDATE Sequence Number: 25533 Method: UPDATE Reason: Q.850;cause=16 Reason protocols: Q.850 Cause: Normal call clearing (16) Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 130 10.190117 172.16.48.3 192.168.16.251 SIP 475 Request: ACK sip:1606@192.168.16.251:57307;ob | Frame 130: 475 bytes on wire (3800 bits), 475 bytes captured (3800 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:06.356710000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:06.356710000 UTC Epoch Arrival Time: 1759768686.356710000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004765000 seconds] [Time delta from previous displayed frame: 0.005680000 seconds] [Time since reference or first frame: 10.190117000 seconds] Frame Number: 130 Frame Length: 475 bytes (3800 bits) Capture Length: 475 bytes (3800 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 461 Identification: 0x6ddb (28123) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x208e [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 441 Checksum: 0xb62a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 15] [Timestamps] [Time since first frame: 1.447560000 seconds] [Time since previous frame: 0.005680000 seconds] UDP payload (433 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: ACK Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] [Request Frame: 128] [Response Time (ms): 6] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj05054557-37b3-48d2-9550-aa575900f40b From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15432 ACK Sequence Number: 15432 Method: ACK Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 238 11.145719 172.16.48.3 192.168.16.251 SIP/SDP 1057 Request: INVITE sip:1606@192.168.16.251:57307;ob, in-dialog | Frame 238: 1057 bytes on wire (8456 bits), 1057 bytes captured (8456 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:07.312312000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:07.312312000 UTC Epoch Arrival Time: 1759768687.312312000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001025000 seconds] [Time delta from previous displayed frame: 0.955602000 seconds] [Time since reference or first frame: 11.145719000 seconds] Frame Number: 238 Frame Length: 1057 bytes (8456 bits) Capture Length: 1057 bytes (8456 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1043 Identification: 0x6fb1 (28593) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1c72 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 1023 Checksum: 0x7c0a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 16] [Timestamps] [Time since first frame: 2.403162000 seconds] [Time since previous frame: 0.955602000 seconds] UDP payload (1015 bytes) Session Initiation Protocol (INVITE) Request-Line: INVITE sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: INVITE Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj515adbf8-a855-4a09-852b-343c4ad618f6 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj515adbf8-a855-4a09-852b-343c4ad618f6 From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15433 INVITE Sequence Number: 15433 Method: INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub, histinfo Session-Expires: 1800;refresher=uas Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Type: application/sdp Content-Length: 285 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761087 IN IP4 172.16.48.3 Owner Username: - Session ID: 3968761084 Session Version: 3968761087 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 172.16.48.3 Session Name (s): Asterisk Connection Information (c): IN IP4 172.16.48.3 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 172.16.48.3 Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Media Description, name and address (m): audio 10276 RTP/AVP 0 8 101 Media Type: audio Media Port: 10276 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: ITU-T G.711 PCMA Media Format: DynamicRTP-Type-101 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:8 PCMA/8000 Media Attribute Fieldname: rtpmap Media Format: 8 MIME Type: PCMA Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ptime:20 Media Attribute Fieldname: ptime Media Attribute Value: 20 Media Attribute (a): maxptime:140 Media Attribute Fieldname: maxptime Media Attribute Value: 140 Media Attribute (a): sendrecv Media Description, name and address (m): video 0 RTP/AVP 99 100 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Media Format: DynamicRTP-Type-100 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 239 11.146804 192.168.16.251 172.16.48.3 SIP/SDP 1037 Status: 200 OK (INVITE) | Frame 239: 1037 bytes on wire (8296 bits), 1037 bytes captured (8296 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:07.313397000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:07.313397000 UTC Epoch Arrival Time: 1759768687.313397000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001085000 seconds] [Time delta from previous displayed frame: 0.001085000 seconds] [Time since reference or first frame: 11.146804000 seconds] Frame Number: 239 Frame Length: 1037 bytes (8296 bits) Capture Length: 1037 bytes (8296 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1023 Identification: 0x7568 (30056) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x13cf [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1003 Checksum: 0xc23c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 17] [Timestamps] [Time since first frame: 2.404247000 seconds] [Time since previous frame: 0.001085000 seconds] UDP payload (995 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 238] [Response Time (ms): 1] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj515adbf8-a855-4a09-852b-343c4ad618f6 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj515adbf8-a855-4a09-852b-343c4ad618f6 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 CSeq: 15433 INVITE Sequence Number: 15433 Method: INVITE Session-Expires: 1800;refresher=uas Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub, trickle-ice Content-Type: application/sdp Content-Length: 363 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761085 IN IP4 192.168.16.251 Owner Username: - Session ID: 3968761084 Session Version: 3968761085 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 192.168.16.251 Session Name (s): pjmedia Bandwidth Information (b): AS:84 Bandwidth Modifier: AS [Application Specific (RTP session bandwidth)] Bandwidth Value: 84 kb/s Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Session Attribute (a): X-nat:0 Session Attribute Fieldname: X-nat Session Attribute Value: 0 Media Description, name and address (m): audio 4000 RTP/AVP 0 101 Media Type: audio Media Port: 4000 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:64000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 64000 b/s Media Attribute (a): rtcp:4001 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4001 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ssrc:975455876 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 975455876 cname:4b5125155c410d43 Media Description, name and address (m): video 0 RTP/AVP 99 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Connection Information (c): IN IP4 127.0.0.1 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 127.0.0.1 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 241 11.166701 172.16.48.3 192.168.16.251 SIP 475 Request: ACK sip:1606@192.168.16.251:57307;ob | Frame 241: 475 bytes on wire (3800 bits), 475 bytes captured (3800 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:07.333294000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:07.333294000 UTC Epoch Arrival Time: 1759768687.333294000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003721000 seconds] [Time delta from previous displayed frame: 0.019897000 seconds] [Time since reference or first frame: 11.166701000 seconds] Frame Number: 241 Frame Length: 475 bytes (3800 bits) Capture Length: 475 bytes (3800 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 461 Identification: 0x6fc0 (28608) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1ea9 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 441 Checksum: 0xebca [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 18] [Timestamps] [Time since first frame: 2.424144000 seconds] [Time since previous frame: 0.019897000 seconds] UDP payload (433 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: ACK Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] [Request Frame: 238] [Response Time (ms): 20] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj1611a1d1-0b85-4c8d-8b88-3916fecba69d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj1611a1d1-0b85-4c8d-8b88-3916fecba69d From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15433 ACK Sequence Number: 15433 Method: ACK Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 2296 30.432117 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 2296: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:26.598710000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:26.598710000 UTC Epoch Arrival Time: 1759768706.598710000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.017639000 seconds] [Time delta from previous displayed frame: 19.265416000 seconds] [Time since reference or first frame: 30.432117000 seconds] Frame Number: 2296 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x97f5 (38901) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf660 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x93bb [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 21] [Timestamps] [Time since first frame: 21.689560000 seconds] [Time since previous frame: 6.000069000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd From: ;tag=beaad1e5-47f4-43fc-a0d9-4e03c7f9113c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: beaad1e5-47f4-43fc-a0d9-4e03c7f9113c To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: c5500cca-c731-4373-99db-3ded69fa016c [Generated Call-ID: c5500cca-c731-4373-99db-3ded69fa016c] CSeq: 38097 OPTIONS Sequence Number: 38097 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 2297 30.432400 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 2297: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:26.598993000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:26.598993000 UTC Epoch Arrival Time: 1759768706.598993000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000283000 seconds] [Time delta from previous displayed frame: 0.000283000 seconds] [Time since reference or first frame: 30.432400000 seconds] Frame Number: 2297 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x7932 (31026) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x10a7 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x7da5 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 22] [Timestamps] [Time since first frame: 21.689843000 seconds] [Time since previous frame: 0.000283000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 2296] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd Call-ID: c5500cca-c731-4373-99db-3ded69fa016c [Generated Call-ID: c5500cca-c731-4373-99db-3ded69fa016c] From: ;tag=beaad1e5-47f4-43fc-a0d9-4e03c7f9113c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: beaad1e5-47f4-43fc-a0d9-4e03c7f9113c To: ;tag=z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj87993303-5758-4bc9-a077-8f8752c5b3cd CSeq: 38097 OPTIONS Sequence Number: 38097 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 3751 43.953257 172.16.48.3 192.168.16.251 SIP/SDP 1029 Request: INVITE sip:1606@192.168.16.251:57307;ob, in-dialog | Frame 3751: 1029 bytes on wire (8232 bits), 1029 bytes captured (8232 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:40.119850000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:40.119850000 UTC Epoch Arrival Time: 1759768720.119850000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010008000 seconds] [Time delta from previous displayed frame: 13.520857000 seconds] [Time since reference or first frame: 43.953257000 seconds] Frame Number: 3751 Frame Length: 1029 bytes (8232 bits) Capture Length: 1029 bytes (8232 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1015 Identification: 0xb381 (45953) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xd8bd [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 995 Checksum: 0xfa4b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 24] [Timestamps] [Time since first frame: 35.210700000 seconds] [Time since previous frame: 7.520971000 seconds] UDP payload (987 bytes) Session Initiation Protocol (INVITE) Request-Line: INVITE sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: INVITE Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjc2b6ed51-cb02-42e2-a9cf-34268aae2c34 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjc2b6ed51-cb02-42e2-a9cf-34268aae2c34 From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15434 INVITE Sequence Number: 15434 Method: INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub, histinfo Session-Expires: 1800;refresher=uas Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Type: application/sdp Content-Length: 257 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761088 IN IP4 172.16.48.3 Owner Username: - Session ID: 3968761084 Session Version: 3968761088 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 172.16.48.3 Session Name (s): Asterisk Connection Information (c): IN IP4 172.16.48.3 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 172.16.48.3 Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Media Description, name and address (m): audio 10276 RTP/AVP 0 101 Media Type: audio Media Port: 10276 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ptime:20 Media Attribute Fieldname: ptime Media Attribute Value: 20 Media Attribute (a): maxptime:140 Media Attribute Fieldname: maxptime Media Attribute Value: 140 Media Attribute (a): sendrecv Media Description, name and address (m): video 0 RTP/AVP 99 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 3752 43.954496 192.168.16.251 172.16.48.3 SIP/SDP 1037 Status: 200 OK (INVITE) | Frame 3752: 1037 bytes on wire (8296 bits), 1037 bytes captured (8296 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:40.121089000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:40.121089000 UTC Epoch Arrival Time: 1759768720.121089000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001239000 seconds] [Time delta from previous displayed frame: 0.001239000 seconds] [Time since reference or first frame: 43.954496000 seconds] Frame Number: 3752 Frame Length: 1037 bytes (8296 bits) Capture Length: 1037 bytes (8296 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:sdp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1023 Identification: 0x7bdc (31708) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x0d5b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1003 Checksum: 0x651e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 25] [Timestamps] [Time since first frame: 35.211939000 seconds] [Time since previous frame: 0.001239000 seconds] UDP payload (995 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 3751] [Response Time (ms): 1] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjc2b6ed51-cb02-42e2-a9cf-34268aae2c34 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjc2b6ed51-cb02-42e2-a9cf-34268aae2c34 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 CSeq: 15434 INVITE Sequence Number: 15434 Method: INVITE Session-Expires: 1800;refresher=uas Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Supported: replaces, 100rel, timer, norefersub, trickle-ice Content-Type: application/sdp Content-Length: 363 Message Body Session Description Protocol Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 3968761084 3968761085 IN IP4 192.168.16.251 Owner Username: - Session ID: 3968761084 Session Version: 3968761085 Owner Network Type: IN Owner Address Type: IP4 Owner Address: 192.168.16.251 Session Name (s): pjmedia Bandwidth Information (b): AS:84 Bandwidth Modifier: AS [Application Specific (RTP session bandwidth)] Bandwidth Value: 84 kb/s Time Description, active time (t): 0 0 Session Start Time: 0 Session Stop Time: 0 Session Attribute (a): X-nat:0 Session Attribute Fieldname: X-nat Session Attribute Value: 0 Media Description, name and address (m): audio 4000 RTP/AVP 0 101 Media Type: audio Media Port: 4000 Media Protocol: RTP/AVP Media Format: ITU-T G.711 PCMU Media Format: DynamicRTP-Type-101 Connection Information (c): IN IP4 192.168.16.251 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 192.168.16.251 Bandwidth Information (b): TIAS:64000 Bandwidth Modifier: TIAS [Transport Independent Application Specific maximum] Bandwidth Value: 64000 b/s Media Attribute (a): rtcp:4001 IN IP4 192.168.16.251 Media Attribute Fieldname: rtcp Media Attribute Value: 4001 IN IP4 192.168.16.251 Media Attribute (a): sendrecv Media Attribute (a): rtpmap:0 PCMU/8000 Media Attribute Fieldname: rtpmap Media Format: 0 MIME Type: PCMU Sample Rate: 8000 Media Attribute (a): rtpmap:101 telephone-event/8000 Media Attribute Fieldname: rtpmap Media Format: 101 MIME Type: telephone-event Sample Rate: 8000 Media Attribute (a): fmtp:101 0-16 Media Attribute Fieldname: fmtp Media Format: 101 [telephone-event] Media format specific parameters: 0-16 Media Attribute (a): ssrc:975455876 cname:4b5125155c410d43 Media Attribute Fieldname: ssrc Media Attribute Value: 975455876 cname:4b5125155c410d43 Media Description, name and address (m): video 0 RTP/AVP 99 Media Type: video Media Port: 0 Media Protocol: RTP/AVP Media Format: DynamicRTP-Type-99 Connection Information (c): IN IP4 127.0.0.1 Connection Network Type: IN Connection Address Type: IP4 Connection Address: 127.0.0.1 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] No. Time Source Destination Protocol Length Info 3753 43.961219 172.16.48.3 192.168.16.251 SIP 475 Request: ACK sip:1606@192.168.16.251:57307;ob | Frame 3753: 475 bytes on wire (3800 bits), 475 bytes captured (3800 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:38:40.127812000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:38:40.127812000 UTC Epoch Arrival Time: 1759768720.127812000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006723000 seconds] [Time delta from previous displayed frame: 0.006723000 seconds] [Time since reference or first frame: 43.961219000 seconds] Frame Number: 3753 Frame Length: 475 bytes (3800 bits) Capture Length: 475 bytes (3800 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 461 Identification: 0xb385 (45957) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xdae3 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 441 Checksum: 0x63f1 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 26] [Timestamps] [Time since first frame: 35.218662000 seconds] [Time since previous frame: 0.006723000 seconds] UDP payload (433 bytes) Session Initiation Protocol (ACK) Request-Line: ACK sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: ACK Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] [Request Frame: 3751] [Response Time (ms): 7] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj1294087c-9fc7-4885-8727-699cd3a8ca45 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj1294087c-9fc7-4885-8727-699cd3a8ca45 From: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP from address: sip:7100@172.16.48.3 SIP from address User Part: 7100 SIP from address Host Part: 172.16.48.3 SIP from tag: e99a6c88-952a-4b31-a779-86358ebd42e2 To: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: e016c6408d3b419cbf539a8dea0f7f75 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 15434 ACK Sequence Number: 15434 Method: ACK Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 7523 79.335734 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 7523: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:15.502327000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:15.502327000 UTC Epoch Arrival Time: 1759768755.502327000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009417000 seconds] [Time delta from previous displayed frame: 35.374515000 seconds] [Time since reference or first frame: 79.335734000 seconds] Frame Number: 7523 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x82d0 (33488) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x077b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xf4b0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 30] [Timestamps] [Time since first frame: 70.593177000 seconds] [Time since previous frame: 2.899310000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjdbd6a5ac58134237a859205d270131dc Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjdbd6a5ac58134237a859205d270131dc Max-Forwards: 70 From: ;tag=4e6763dab48a4b548a518fa0529cffdc SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e6763dab48a4b548a518fa0529cffdc To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 511a89cbae8b41a193738ab8966d4299 [Generated Call-ID: 511a89cbae8b41a193738ab8966d4299] CSeq: 28685 PUBLISH Sequence Number: 28685 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:39:15.501Z Idle No. Time Source Destination Protocol Length Info 7526 79.349493 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 7526: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:15.516086000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:15.516086000 UTC Epoch Arrival Time: 1759768755.516086000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004786000 seconds] [Time delta from previous displayed frame: 0.013759000 seconds] [Time since reference or first frame: 79.349493000 seconds] Frame Number: 7526 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xfbae (64430) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x922b [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x6c15 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 31] [Timestamps] [Time since first frame: 70.606936000 seconds] [Time since previous frame: 0.013759000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 7523] [Response Time (ms): 13] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjdbd6a5ac58134237a859205d270131dc Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjdbd6a5ac58134237a859205d270131dc Call-ID: 511a89cbae8b41a193738ab8966d4299 [Generated Call-ID: 511a89cbae8b41a193738ab8966d4299] From: ;tag=4e6763dab48a4b548a518fa0529cffdc SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e6763dab48a4b548a518fa0529cffdc To: ;tag=z9hG4bKPjdbd6a5ac58134237a859205d270131dc SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjdbd6a5ac58134237a859205d270131dc CSeq: 28685 PUBLISH Sequence Number: 28685 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771008/597d9d9a1d6b7e17970f7c48d7648c31",opaque="2b8bd1953390afe2",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771008/597d9d9a1d6b7e17970f7c48d7648c31" Opaque Value: "2b8bd1953390afe2" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 7527 79.350053 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 7527: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:15.516646000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:15.516646000 UTC Epoch Arrival Time: 1759768755.516646000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000560000 seconds] [Time delta from previous displayed frame: 0.000560000 seconds] [Time since reference or first frame: 79.350053000 seconds] Frame Number: 7527 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x82d2 (33490) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x0656 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x3965 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 32] [Timestamps] [Time since first frame: 70.607496000 seconds] [Time since previous frame: 0.000560000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d Max-Forwards: 70 From: ;tag=4e6763dab48a4b548a518fa0529cffdc SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e6763dab48a4b548a518fa0529cffdc To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 511a89cbae8b41a193738ab8966d4299 [Generated Call-ID: 511a89cbae8b41a193738ab8966d4299] CSeq: 28686 PUBLISH Sequence Number: 28686 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771008/597d9d9a1d6b7e17970f7c48d7648c31", uri="sip:1606@172.16.48.3", response="11407631c65e881103d67443299ae92b", algorithm=MD5, cnonce="fcca3eb2b12d49e4b7220058032 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771008/597d9d9a1d6b7e17970f7c48d7648c31" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "11407631c65e881103d67443299ae92b" Algorithm: MD5 CNonce Value: "fcca3eb2b12d49e4b72200580327097c" Opaque Value: "2b8bd1953390afe2" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:39:15.501Z Idle No. Time Source Destination Protocol Length Info 7530 79.364929 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 7530: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:15.531522000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:15.531522000 UTC Epoch Arrival Time: 1759768755.531522000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000140000 seconds] [Time delta from previous displayed frame: 0.014876000 seconds] [Time since reference or first frame: 79.364929000 seconds] Frame Number: 7530 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xfbbb (64443) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x92b3 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xd5e7 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 33] [Timestamps] [Time since first frame: 70.622372000 seconds] [Time since previous frame: 0.014876000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 7527] [Response Time (ms): 14] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d Call-ID: 511a89cbae8b41a193738ab8966d4299 [Generated Call-ID: 511a89cbae8b41a193738ab8966d4299] From: ;tag=4e6763dab48a4b548a518fa0529cffdc SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e6763dab48a4b548a518fa0529cffdc To: ;tag=z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj5226c81f7cd14c00b8cbc93f51d2cf9d CSeq: 28686 PUBLISH Sequence Number: 28686 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 8710 90.433230 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 8710: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:26.599823000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:26.599823000 UTC Epoch Arrival Time: 1759768766.599823000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009851000 seconds] [Time delta from previous displayed frame: 11.068301000 seconds] [Time since reference or first frame: 90.433230000 seconds] Frame Number: 8710 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x121c (4636) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x7c3a [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x60b8 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 35] [Timestamps] [Time since first frame: 81.690673000 seconds] [Time since previous frame: 1.995891000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e From: ;tag=febed0a9-63fc-417a-ae6f-11ec41433601 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: febed0a9-63fc-417a-ae6f-11ec41433601 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 28563e2e-f109-4730-9756-2372865ca507 [Generated Call-ID: 28563e2e-f109-4730-9756-2372865ca507] CSeq: 25034 OPTIONS Sequence Number: 25034 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 8711 90.433671 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 8711: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:39:26.600264000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:39:26.600264000 UTC Epoch Arrival Time: 1759768766.600264000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000441000 seconds] [Time delta from previous displayed frame: 0.000441000 seconds] [Time since reference or first frame: 90.433671000 seconds] Frame Number: 8711 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x8501 (34049) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x04d8 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x3fc4 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 36] [Timestamps] [Time since first frame: 81.691114000 seconds] [Time since previous frame: 0.000441000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 8710] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e Call-ID: 28563e2e-f109-4730-9756-2372865ca507 [Generated Call-ID: 28563e2e-f109-4730-9756-2372865ca507] From: ;tag=febed0a9-63fc-417a-ae6f-11ec41433601 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: febed0a9-63fc-417a-ae6f-11ec41433601 To: ;tag=z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjf348a188-9fb8-410b-bf43-ca6838ff6c7e CSeq: 25034 OPTIONS Sequence Number: 25034 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 15115 150.433347 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 15115: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:40:26.599940000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:40:26.599940000 UTC Epoch Arrival Time: 1759768826.599940000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010029000 seconds] [Time delta from previous displayed frame: 59.999676000 seconds] [Time since reference or first frame: 150.433347000 seconds] Frame Number: 15115 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x8d68 (36200) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x00ee [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x85b0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 41] [Timestamps] [Time since first frame: 141.690790000 seconds] [Time since previous frame: 6.993336000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 From: ;tag=1ec747aa-9b0e-4e6e-8482-67833527d0d7 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 1ec747aa-9b0e-4e6e-8482-67833527d0d7 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 1ab30c05-e648-4882-b3ac-0c94bb065d65 [Generated Call-ID: 1ab30c05-e648-4882-b3ac-0c94bb065d65] CSeq: 55940 OPTIONS Sequence Number: 55940 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 15116 150.433783 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 15116: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:40:26.600376000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:40:26.600376000 UTC Epoch Arrival Time: 1759768826.600376000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000436000 seconds] [Time delta from previous displayed frame: 0.000436000 seconds] [Time since reference or first frame: 150.433783000 seconds] Frame Number: 15116 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x90ca (37066) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xf90e [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x6e3c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 42] [Timestamps] [Time since first frame: 141.691226000 seconds] [Time since previous frame: 0.000436000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 15115] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 Call-ID: 1ab30c05-e648-4882-b3ac-0c94bb065d65 [Generated Call-ID: 1ab30c05-e648-4882-b3ac-0c94bb065d65] From: ;tag=1ec747aa-9b0e-4e6e-8482-67833527d0d7 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 1ec747aa-9b0e-4e6e-8482-67833527d0d7 To: ;tag=z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj8b40534a-0b9b-4c19-a44b-26444a2df1e0 CSeq: 55940 OPTIONS Sequence Number: 55940 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 21563 210.430472 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 21563: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:41:26.597065000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:41:26.597065000 UTC Epoch Arrival Time: 1759768886.597065000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007464000 seconds] [Time delta from previous displayed frame: 59.996689000 seconds] [Time since reference or first frame: 210.430472000 seconds] Frame Number: 21563 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x08f0 (2288) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x8566 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x1ef2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 48] [Timestamps] [Time since first frame: 201.687915000 seconds] [Time since previous frame: 0.986864000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd From: ;tag=32e7491a-ae8d-4069-8dd1-09f0ddacf10e SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 32e7491a-ae8d-4069-8dd1-09f0ddacf10e To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 5f74be17-b4df-4f86-86c8-233ecb964978 [Generated Call-ID: 5f74be17-b4df-4f86-86c8-233ecb964978] CSeq: 19376 OPTIONS Sequence Number: 19376 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 21564 210.430910 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 21564: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:41:26.597503000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:41:26.597503000 UTC Epoch Arrival Time: 1759768886.597503000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000438000 seconds] [Time delta from previous displayed frame: 0.000438000 seconds] [Time since reference or first frame: 210.430910000 seconds] Frame Number: 21564 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x9c95 (40085) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xed43 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xfa47 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 49] [Timestamps] [Time since first frame: 201.688353000 seconds] [Time since previous frame: 0.000438000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 21563] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd Call-ID: 5f74be17-b4df-4f86-86c8-233ecb964978 [Generated Call-ID: 5f74be17-b4df-4f86-86c8-233ecb964978] From: ;tag=32e7491a-ae8d-4069-8dd1-09f0ddacf10e SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 32e7491a-ae8d-4069-8dd1-09f0ddacf10e To: ;tag=z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjac05c374-e093-4adc-99e5-248d91a501dd CSeq: 19376 OPTIONS Sequence Number: 19376 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 27352 264.428987 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 27352: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.595580000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.595580000 UTC Epoch Arrival Time: 1759768940.595580000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005332000 seconds] [Time delta from previous displayed frame: 53.998077000 seconds] [Time since reference or first frame: 264.428987000 seconds] Frame Number: 27352 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0xa731 (42801) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe3e6 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0x811a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 53] [Timestamps] [Time since first frame: 255.686430000 seconds] [Time since previous frame: 13.984639000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj809d7b776401485ebb0843a744924602 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj809d7b776401485ebb0843a744924602 Max-Forwards: 70 From: ;tag=a5d4e85436f24e24864bae1a420de561 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a5d4e85436f24e24864bae1a420de561 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56631 REGISTER Sequence Number: 56631 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 27356 264.446574 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 27356: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.613167000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.613167000 UTC Epoch Arrival Time: 1759768940.613167000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001628000 seconds] [Time delta from previous displayed frame: 0.017587000 seconds] [Time since reference or first frame: 264.446574000 seconds] Frame Number: 27356 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0x74d0 (29904) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1909 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0x7c86 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 55] [Timestamps] [Time since first frame: 255.704017000 seconds] [Time since previous frame: 0.001628000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 27352] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj809d7b776401485ebb0843a744924602 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj809d7b776401485ebb0843a744924602 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=a5d4e85436f24e24864bae1a420de561 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a5d4e85436f24e24864bae1a420de561 To: ;tag=z9hG4bKPj809d7b776401485ebb0843a744924602 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj809d7b776401485ebb0843a744924602 CSeq: 56631 REGISTER Sequence Number: 56631 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759771193/549c921314c080c02adb7df52bc5223e",opaque="4f41a96845f33ade",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771193/549c921314c080c02adb7df52bc5223e" Opaque Value: "4f41a96845f33ade" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 27357 264.447124 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 27357: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.613717000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.613717000 UTC Epoch Arrival Time: 1759768940.613717000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000550000 seconds] [Time delta from previous displayed frame: 0.000550000 seconds] [Time since reference or first frame: 264.447124000 seconds] Frame Number: 27357 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0xa734 (42804) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe2c5 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x4594 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 56] [Timestamps] [Time since first frame: 255.704567000 seconds] [Time since previous frame: 0.000550000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f Max-Forwards: 70 From: ;tag=a5d4e85436f24e24864bae1a420de561 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a5d4e85436f24e24864bae1a420de561 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56632 REGISTER Sequence Number: 56632 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771193/549c921314c080c02adb7df52bc5223e", uri="sip:172.16.48.3", response="e3fa20d4e53375f14f8c0dc76e528c87", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771193/549c921314c080c02adb7df52bc5223e" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "e3fa20d4e53375f14f8c0dc76e528c87" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "4f41a96845f33ade" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 27360 264.473905 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 27360: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.640498000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.640498000 UTC Epoch Arrival Time: 1759768940.640498000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.011016000 seconds] [Time delta from previous displayed frame: 0.026781000 seconds] [Time since reference or first frame: 264.473905000 seconds] Frame Number: 27360 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0x74dc (29916) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x192d [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xef42 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 57] [Timestamps] [Time since first frame: 255.731348000 seconds] [Time since previous frame: 0.026781000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 27357] [Response Time (ms): 26] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=a5d4e85436f24e24864bae1a420de561 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a5d4e85436f24e24864bae1a420de561 To: ;tag=z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj4a2fe68038534fb0bff132f83d555c7f CSeq: 56632 REGISTER Sequence Number: 56632 Method: REGISTER Date: Mon, 06 Oct 2025 17:19:53 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 27361 264.474617 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 27361: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.641210000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.641210000 UTC Epoch Arrival Time: 1759768940.641210000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000712000 seconds] [Time delta from previous displayed frame: 0.000712000 seconds] [Time since reference or first frame: 264.474617000 seconds] Frame Number: 27361 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xa736 (42806) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe314 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x1175 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 58] [Timestamps] [Time since first frame: 255.732060000 seconds] [Time since previous frame: 0.000712000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc Max-Forwards: 70 From: ;tag=48a263a1867f48f2a71ac0d7f9ca7702 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48a263a1867f48f2a71ac0d7f9ca7702 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 8ad8833731e74571b6f3d90b35632c6f [Generated Call-ID: 8ad8833731e74571b6f3d90b35632c6f] CSeq: 31354 PUBLISH Sequence Number: 31354 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:42:20.640Z Idle No. Time Source Destination Protocol Length Info 27364 264.484055 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 27364: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.650648000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.650648000 UTC Epoch Arrival Time: 1759768940.650648000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000847000 seconds] [Time delta from previous displayed frame: 0.009438000 seconds] [Time since reference or first frame: 264.484055000 seconds] Frame Number: 27364 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x74de (29918) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x18fc [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xcd77 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 59] [Timestamps] [Time since first frame: 255.741498000 seconds] [Time since previous frame: 0.009438000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 27361] [Response Time (ms): 9] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc Call-ID: 8ad8833731e74571b6f3d90b35632c6f [Generated Call-ID: 8ad8833731e74571b6f3d90b35632c6f] From: ;tag=48a263a1867f48f2a71ac0d7f9ca7702 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48a263a1867f48f2a71ac0d7f9ca7702 To: ;tag=z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjeb7191b3a9c645a1ab296b13c49c65fc CSeq: 31354 PUBLISH Sequence Number: 31354 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771193/549c921314c080c02adb7df52bc5223e",opaque="726e2c2f01e4786c",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771193/549c921314c080c02adb7df52bc5223e" Opaque Value: "726e2c2f01e4786c" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 27365 264.484613 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 27365: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.651206000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.651206000 UTC Epoch Arrival Time: 1759768940.651206000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000558000 seconds] [Time delta from previous displayed frame: 0.000558000 seconds] [Time since reference or first frame: 264.484613000 seconds] Frame Number: 27365 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xa738 (42808) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe1ef [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x3fbb [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 60] [Timestamps] [Time since first frame: 255.742056000 seconds] [Time since previous frame: 0.000558000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad Max-Forwards: 70 From: ;tag=48a263a1867f48f2a71ac0d7f9ca7702 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48a263a1867f48f2a71ac0d7f9ca7702 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 8ad8833731e74571b6f3d90b35632c6f [Generated Call-ID: 8ad8833731e74571b6f3d90b35632c6f] CSeq: 31355 PUBLISH Sequence Number: 31355 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771193/549c921314c080c02adb7df52bc5223e", uri="sip:1606@172.16.48.3", response="94ec7ce2e99a09ff1702c5cba5fca675", algorithm=MD5, cnonce="4b11dae6b9f243969c82d7d5d46 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771193/549c921314c080c02adb7df52bc5223e" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "94ec7ce2e99a09ff1702c5cba5fca675" Algorithm: MD5 CNonce Value: "4b11dae6b9f243969c82d7d5d4645307" Opaque Value: "726e2c2f01e4786c" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:42:20.640Z Idle No. Time Source Destination Protocol Length Info 27366 264.493235 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 27366: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:20.659828000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:20.659828000 UTC Epoch Arrival Time: 1759768940.659828000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008622000 seconds] [Time delta from previous displayed frame: 0.008622000 seconds] [Time since reference or first frame: 264.493235000 seconds] Frame Number: 27366 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x74e4 (29924) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x198b [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x65e4 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 61] [Timestamps] [Time since first frame: 255.750678000 seconds] [Time since previous frame: 0.008622000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 27365] [Response Time (ms): 8] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad Call-ID: 8ad8833731e74571b6f3d90b35632c6f [Generated Call-ID: 8ad8833731e74571b6f3d90b35632c6f] From: ;tag=48a263a1867f48f2a71ac0d7f9ca7702 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48a263a1867f48f2a71ac0d7f9ca7702 To: ;tag=z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjb77fb9ff71f4425eabdac49685eb5dad CSeq: 31355 PUBLISH Sequence Number: 31355 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 28010 270.432705 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 28010: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:26.599298000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:26.599298000 UTC Epoch Arrival Time: 1759768946.599298000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008890000 seconds] [Time delta from previous displayed frame: 5.939470000 seconds] [Time since reference or first frame: 270.432705000 seconds] Frame Number: 28010 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x8142 (33090) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x0d14 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x6dea [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 62] [Timestamps] [Time since first frame: 261.690148000 seconds] [Time since previous frame: 5.939470000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e From: ;tag=6018fd1a-3a58-4b93-8ab8-467472859d15 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 6018fd1a-3a58-4b93-8ab8-467472859d15 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 45dbb20b-b0bf-45ba-a1fb-fd0c7b81b0ba [Generated Call-ID: 45dbb20b-b0bf-45ba-a1fb-fd0c7b81b0ba] CSeq: 41926 OPTIONS Sequence Number: 41926 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 28011 270.433115 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 28011: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:42:26.599708000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:42:26.599708000 UTC Epoch Arrival Time: 1759768946.599708000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000410000 seconds] [Time delta from previous displayed frame: 0.000410000 seconds] [Time since reference or first frame: 270.433115000 seconds] Frame Number: 28011 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xa863 (43107) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe175 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x45af [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 63] [Timestamps] [Time since first frame: 261.690558000 seconds] [Time since previous frame: 0.000410000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 28010] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e Call-ID: 45dbb20b-b0bf-45ba-a1fb-fd0c7b81b0ba [Generated Call-ID: 45dbb20b-b0bf-45ba-a1fb-fd0c7b81b0ba] From: ;tag=6018fd1a-3a58-4b93-8ab8-467472859d15 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 6018fd1a-3a58-4b93-8ab8-467472859d15 To: ;tag=z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjfd488de8-f6c1-41ac-b03b-3b7de0909c4e CSeq: 41926 OPTIONS Sequence Number: 41926 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 34429 330.429629 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 34429: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:43:26.596222000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:43:26.596222000 UTC Epoch Arrival Time: 1759769006.596222000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006683000 seconds] [Time delta from previous displayed frame: 59.996514000 seconds] [Time since reference or first frame: 330.429629000 seconds] Frame Number: 34429 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xfbca (64458) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x928b [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x31aa [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 69] [Timestamps] [Time since first frame: 321.687072000 seconds] [Time since previous frame: 2.949487000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 From: ;tag=a9ea08b4-3514-477f-8b3e-0ba49e4e1dcf SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a9ea08b4-3514-477f-8b3e-0ba49e4e1dcf To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 25385bc8-e599-4705-8273-c837296c6a25 [Generated Call-ID: 25385bc8-e599-4705-8273-c837296c6a25] CSeq: 54176 OPTIONS Sequence Number: 54176 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 34430 330.430116 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 34430: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:43:26.596709000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:43:26.596709000 UTC Epoch Arrival Time: 1759769006.596709000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000487000 seconds] [Time delta from previous displayed frame: 0.000487000 seconds] [Time since reference or first frame: 330.430116000 seconds] Frame Number: 34430 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xb42e (46126) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xd5aa [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xe3fb [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 70] [Timestamps] [Time since first frame: 321.687559000 seconds] [Time since previous frame: 0.000487000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 34429] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 Call-ID: 25385bc8-e599-4705-8273-c837296c6a25 [Generated Call-ID: 25385bc8-e599-4705-8273-c837296c6a25] From: ;tag=a9ea08b4-3514-477f-8b3e-0ba49e4e1dcf SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a9ea08b4-3514-477f-8b3e-0ba49e4e1dcf To: ;tag=z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjcaa4b7ee-d77b-406c-81f1-7b055a1f6157 CSeq: 54176 OPTIONS Sequence Number: 54176 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 39755 379.336222 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 39755: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:15.502815000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:15.502815000 UTC Epoch Arrival Time: 1759769055.502815000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006406000 seconds] [Time delta from previous displayed frame: 48.906106000 seconds] [Time since reference or first frame: 379.336222000 seconds] Frame Number: 39755 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xbdc9 (48585) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xcc81 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xce1b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 74] [Timestamps] [Time since first frame: 370.593665000 seconds] [Time since previous frame: 12.853036000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 Max-Forwards: 70 From: ;tag=93a6a1d35f7b4397bced29a2da3d3b04 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93a6a1d35f7b4397bced29a2da3d3b04 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: d96a42ea7b8341819be883467282edc5 [Generated Call-ID: d96a42ea7b8341819be883467282edc5] CSeq: 34884 PUBLISH Sequence Number: 34884 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:44:15.502Z Idle No. Time Source Destination Protocol Length Info 39758 379.353097 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 39758: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:15.519690000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:15.519690000 UTC Epoch Arrival Time: 1759769055.519690000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000131000 seconds] [Time delta from previous displayed frame: 0.016875000 seconds] [Time since reference or first frame: 379.353097000 seconds] Frame Number: 39758 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x5f4e (24398) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2e8c [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x7f9f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 75] [Timestamps] [Time since first frame: 370.610540000 seconds] [Time since previous frame: 0.016875000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 39755] [Response Time (ms): 16] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 Call-ID: d96a42ea7b8341819be883467282edc5 [Generated Call-ID: d96a42ea7b8341819be883467282edc5] From: ;tag=93a6a1d35f7b4397bced29a2da3d3b04 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93a6a1d35f7b4397bced29a2da3d3b04 To: ;tag=z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjbe294774ee2c46c2b65cef0cb091e758 CSeq: 34884 PUBLISH Sequence Number: 34884 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771308/35c509ca1ec3c532cb01cdd1987d24c8",opaque="5c587fb94894370f",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771308/35c509ca1ec3c532cb01cdd1987d24c8" Opaque Value: "5c587fb94894370f" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 39759 379.353647 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 39759: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:15.520240000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:15.520240000 UTC Epoch Arrival Time: 1759769055.520240000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000550000 seconds] [Time delta from previous displayed frame: 0.000550000 seconds] [Time since reference or first frame: 379.353647000 seconds] Frame Number: 39759 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xbdcb (48587) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xcb5c [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0xd132 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 76] [Timestamps] [Time since first frame: 370.611090000 seconds] [Time since previous frame: 0.000550000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 Max-Forwards: 70 From: ;tag=93a6a1d35f7b4397bced29a2da3d3b04 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93a6a1d35f7b4397bced29a2da3d3b04 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: d96a42ea7b8341819be883467282edc5 [Generated Call-ID: d96a42ea7b8341819be883467282edc5] CSeq: 34885 PUBLISH Sequence Number: 34885 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771308/35c509ca1ec3c532cb01cdd1987d24c8", uri="sip:1606@172.16.48.3", response="bca836534c8c534edd75109e331b8032", algorithm=MD5, cnonce="b8e25de62d444aff99c6d9137d7 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771308/35c509ca1ec3c532cb01cdd1987d24c8" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "bca836534c8c534edd75109e331b8032" Algorithm: MD5 CNonce Value: "b8e25de62d444aff99c6d9137d78587e" Opaque Value: "5c587fb94894370f" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:44:15.502Z Idle No. Time Source Destination Protocol Length Info 39761 379.367754 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 39761: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:15.534347000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:15.534347000 UTC Epoch Arrival Time: 1759769055.534347000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004825000 seconds] [Time delta from previous displayed frame: 0.014107000 seconds] [Time since reference or first frame: 379.367754000 seconds] Frame Number: 39761 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x5f51 (24401) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2f1e [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x9999 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 77] [Timestamps] [Time since first frame: 370.625197000 seconds] [Time since previous frame: 0.014107000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 39759] [Response Time (ms): 14] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 Call-ID: d96a42ea7b8341819be883467282edc5 [Generated Call-ID: d96a42ea7b8341819be883467282edc5] From: ;tag=93a6a1d35f7b4397bced29a2da3d3b04 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93a6a1d35f7b4397bced29a2da3d3b04 To: ;tag=z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj16eedcdfb2294a659867f7f7fad8a1f4 CSeq: 34885 PUBLISH Sequence Number: 34885 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 40946 390.431389 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 40946: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:26.597982000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:26.597982000 UTC Epoch Arrival Time: 1759769066.597982000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008577000 seconds] [Time delta from previous displayed frame: 11.063635000 seconds] [Time since reference or first frame: 390.431389000 seconds] Frame Number: 40946 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x7652 (30290) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1804 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x5f12 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 79] [Timestamps] [Time since first frame: 381.688832000 seconds] [Time since previous frame: 10.948159000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d From: ;tag=48fb85ea-697e-4c0b-aeab-2851816e0739 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48fb85ea-697e-4c0b-aeab-2851816e0739 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 71168916-df4f-4dab-836e-95cc14b098e3 [Generated Call-ID: 71168916-df4f-4dab-836e-95cc14b098e3] CSeq: 45609 OPTIONS Sequence Number: 45609 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 40947 390.431827 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 40947: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:44:26.598420000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:44:26.598420000 UTC Epoch Arrival Time: 1759769066.598420000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000438000 seconds] [Time delta from previous displayed frame: 0.000438000 seconds] [Time since reference or first frame: 390.431827000 seconds] Frame Number: 40947 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xbffa (49146) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc9de [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x910a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 80] [Timestamps] [Time since first frame: 381.689270000 seconds] [Time since previous frame: 0.000438000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 40946] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d Call-ID: 71168916-df4f-4dab-836e-95cc14b098e3 [Generated Call-ID: 71168916-df4f-4dab-836e-95cc14b098e3] From: ;tag=48fb85ea-697e-4c0b-aeab-2851816e0739 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 48fb85ea-697e-4c0b-aeab-2851816e0739 To: ;tag=z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj8737ec6f-8aa8-40ca-909c-01435e4d9a1d CSeq: 45609 OPTIONS Sequence Number: 45609 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 47364 450.433296 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 47364: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:45:26.599889000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:45:26.599889000 UTC Epoch Arrival Time: 1759769126.599889000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010483000 seconds] [Time delta from previous displayed frame: 60.001469000 seconds] [Time since reference or first frame: 450.433296000 seconds] Frame Number: 47364 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xf216 (61974) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x9c3f [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x522a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 86] [Timestamps] [Time since first frame: 441.690739000 seconds] [Time since previous frame: 5.947186000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 From: ;tag=ac841276-b9f4-4eec-acd2-5299836341f4 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ac841276-b9f4-4eec-acd2-5299836341f4 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: d98ee7e2-db21-4122-bf93-22c1072f5a38 [Generated Call-ID: d98ee7e2-db21-4122-bf93-22c1072f5a38] CSeq: 17044 OPTIONS Sequence Number: 17044 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 47365 450.433762 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 47365: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:45:26.600355000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:45:26.600355000 UTC Epoch Arrival Time: 1759769126.600355000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000466000 seconds] [Time delta from previous displayed frame: 0.000466000 seconds] [Time since reference or first frame: 450.433762000 seconds] Frame Number: 47365 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xcbc5 (52165) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xbe13 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xd292 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 87] [Timestamps] [Time since first frame: 441.691205000 seconds] [Time since previous frame: 0.000466000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 47364] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 Call-ID: d98ee7e2-db21-4122-bf93-22c1072f5a38 [Generated Call-ID: d98ee7e2-db21-4122-bf93-22c1072f5a38] From: ;tag=ac841276-b9f4-4eec-acd2-5299836341f4 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ac841276-b9f4-4eec-acd2-5299836341f4 To: ;tag=z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjcf4d71ea-8673-4ad9-8c67-542f2fdcc864 CSeq: 17044 OPTIONS Sequence Number: 17044 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 53935 510.432067 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 53935: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:46:26.598660000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:46:26.598660000 UTC Epoch Arrival Time: 1759769186.598660000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009933000 seconds] [Time delta from previous displayed frame: 59.998305000 seconds] [Time since reference or first frame: 510.432067000 seconds] Frame Number: 53935 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x6cf4 (27892) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2162 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x815e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 93] [Timestamps] [Time since first frame: 501.689510000 seconds] [Time since previous frame: 0.941190000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b From: ;tag=e93d44a6-ae41-4859-93f6-f9300075c03e SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e93d44a6-ae41-4859-93f6-f9300075c03e To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 0ebc9854-33bd-4471-956e-276de65c1215 [Generated Call-ID: 0ebc9854-33bd-4471-956e-276de65c1215] CSeq: 35022 OPTIONS Sequence Number: 35022 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 53936 510.432497 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 53936: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:46:26.599090000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:46:26.599090000 UTC Epoch Arrival Time: 1759769186.599090000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000430000 seconds] [Time delta from previous displayed frame: 0.000430000 seconds] [Time since reference or first frame: 510.432497000 seconds] Frame Number: 53936 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xd78f (55183) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xb249 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x7101 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 94] [Timestamps] [Time since first frame: 501.689940000 seconds] [Time since previous frame: 0.000430000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 53935] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b Call-ID: 0ebc9854-33bd-4471-956e-276de65c1215 [Generated Call-ID: 0ebc9854-33bd-4471-956e-276de65c1215] From: ;tag=e93d44a6-ae41-4859-93f6-f9300075c03e SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e93d44a6-ae41-4859-93f6-f9300075c03e To: ;tag=z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjfc5c0760-045c-4b77-98a2-12f41098ca6b CSeq: 35022 OPTIONS Sequence Number: 35022 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 59079 558.476243 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 59079: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.642836000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.642836000 UTC Epoch Arrival Time: 1759769234.642836000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.014801000 seconds] [Time delta from previous displayed frame: 48.043746000 seconds] [Time since reference or first frame: 558.476243000 seconds] Frame Number: 59079 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0xe100 (57600) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xaa17 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0xd116 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 98] [Timestamps] [Time since first frame: 549.733686000 seconds] [Time since previous frame: 9.983516000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e Max-Forwards: 70 From: ;tag=922ec3cfedc047dd8e77d985b2bb4240 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 922ec3cfedc047dd8e77d985b2bb4240 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56633 REGISTER Sequence Number: 56633 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 59082 558.494066 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 59082: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.660659000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.660659000 UTC Epoch Arrival Time: 1759769234.660659000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.012535000 seconds] [Time delta from previous displayed frame: 0.017823000 seconds] [Time since reference or first frame: 558.494066000 seconds] Frame Number: 59082 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0xcfa8 (53160) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbe30 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0x9a89 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 99] [Timestamps] [Time since first frame: 549.751509000 seconds] [Time since previous frame: 0.017823000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 59079] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=922ec3cfedc047dd8e77d985b2bb4240 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 922ec3cfedc047dd8e77d985b2bb4240 To: ;tag=z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj29c3363f68f1425bac05354ab9cd5b2e CSeq: 56633 REGISTER Sequence Number: 56633 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759771487/c608215b102670a0cd370d1351887b74",opaque="7193ebd3568b432f",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771487/c608215b102670a0cd370d1351887b74" Opaque Value: "7193ebd3568b432f" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 59083 558.494445 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 59083: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.661038000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.661038000 UTC Epoch Arrival Time: 1759769234.661038000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000379000 seconds] [Time delta from previous displayed frame: 0.000379000 seconds] [Time since reference or first frame: 558.494445000 seconds] Frame Number: 59083 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0xe102 (57602) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa8f7 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x3055 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 100] [Timestamps] [Time since first frame: 549.751888000 seconds] [Time since previous frame: 0.000379000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 Max-Forwards: 70 From: ;tag=922ec3cfedc047dd8e77d985b2bb4240 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 922ec3cfedc047dd8e77d985b2bb4240 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56634 REGISTER Sequence Number: 56634 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771487/c608215b102670a0cd370d1351887b74", uri="sip:172.16.48.3", response="2e5d30c48bc9641a9afa2df004e8fada", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771487/c608215b102670a0cd370d1351887b74" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "2e5d30c48bc9641a9afa2df004e8fada" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "7193ebd3568b432f" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 59087 558.524322 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 59087: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.690915000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.690915000 UTC Epoch Arrival Time: 1759769234.690915000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007721000 seconds] [Time delta from previous displayed frame: 0.029877000 seconds] [Time since reference or first frame: 558.524322000 seconds] Frame Number: 59087 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0xcfaf (53167) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbe59 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xd0db [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 101] [Timestamps] [Time since first frame: 549.781765000 seconds] [Time since previous frame: 0.029877000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 59083] [Response Time (ms): 29] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=922ec3cfedc047dd8e77d985b2bb4240 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 922ec3cfedc047dd8e77d985b2bb4240 To: ;tag=z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj62edde0d3ca44e6190de6c6d90456122 CSeq: 56634 REGISTER Sequence Number: 56634 Method: REGISTER Date: Mon, 06 Oct 2025 17:24:47 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 59088 558.524681 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 59088: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.691274000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.691274000 UTC Epoch Arrival Time: 1759769234.691274000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000359000 seconds] [Time delta from previous displayed frame: 0.000359000 seconds] [Time since reference or first frame: 558.524681000 seconds] Frame Number: 59088 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xe104 (57604) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa946 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xb75d [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 102] [Timestamps] [Time since first frame: 549.782124000 seconds] [Time since previous frame: 0.000359000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 Max-Forwards: 70 From: ;tag=66c4d77e7b524881a652b55f1802c8f0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66c4d77e7b524881a652b55f1802c8f0 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: b0bedff6449449618208b9bb516c1bd4 [Generated Call-ID: b0bedff6449449618208b9bb516c1bd4] CSeq: 36984 PUBLISH Sequence Number: 36984 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:47:14.690Z Idle No. Time Source Destination Protocol Length Info 59090 558.534795 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 59090: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.701388000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.701388000 UTC Epoch Arrival Time: 1759769234.701388000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002996000 seconds] [Time delta from previous displayed frame: 0.010114000 seconds] [Time since reference or first frame: 558.534795000 seconds] Frame Number: 59090 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xcfbb (53179) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbe1e [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xe94e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 103] [Timestamps] [Time since first frame: 549.792238000 seconds] [Time since previous frame: 0.010114000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 59088] [Response Time (ms): 10] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 Call-ID: b0bedff6449449618208b9bb516c1bd4 [Generated Call-ID: b0bedff6449449618208b9bb516c1bd4] From: ;tag=66c4d77e7b524881a652b55f1802c8f0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66c4d77e7b524881a652b55f1802c8f0 To: ;tag=z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj565404aa53f1471296cb94b4e10f05b4 CSeq: 36984 PUBLISH Sequence Number: 36984 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771487/c608215b102670a0cd370d1351887b74",opaque="2fe2d8cb1fecdae6",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771487/c608215b102670a0cd370d1351887b74" Opaque Value: "2fe2d8cb1fecdae6" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 59091 558.535062 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 59091: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.701655000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.701655000 UTC Epoch Arrival Time: 1759769234.701655000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000267000 seconds] [Time delta from previous displayed frame: 0.000267000 seconds] [Time since reference or first frame: 558.535062000 seconds] Frame Number: 59091 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xe106 (57606) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa821 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x77e4 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 104] [Timestamps] [Time since first frame: 549.792505000 seconds] [Time since previous frame: 0.000267000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c Max-Forwards: 70 From: ;tag=66c4d77e7b524881a652b55f1802c8f0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66c4d77e7b524881a652b55f1802c8f0 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: b0bedff6449449618208b9bb516c1bd4 [Generated Call-ID: b0bedff6449449618208b9bb516c1bd4] CSeq: 36985 PUBLISH Sequence Number: 36985 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771487/c608215b102670a0cd370d1351887b74", uri="sip:1606@172.16.48.3", response="51525fa9398da7164277ec49ee917fb2", algorithm=MD5, cnonce="4bd06c3019214db5936ef504150 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771487/c608215b102670a0cd370d1351887b74" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "51525fa9398da7164277ec49ee917fb2" Algorithm: MD5 CNonce Value: "4bd06c3019214db5936ef5041509ce83" Opaque Value: "2fe2d8cb1fecdae6" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:47:14.690Z Idle No. Time Source Destination Protocol Length Info 59093 558.542712 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 59093: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:14.709305000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:14.709305000 UTC Epoch Arrival Time: 1759769234.709305000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004567000 seconds] [Time delta from previous displayed frame: 0.007650000 seconds] [Time since reference or first frame: 558.542712000 seconds] Frame Number: 59093 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xcfc2 (53186) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbeac [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xd1ea [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 105] [Timestamps] [Time since first frame: 549.800155000 seconds] [Time since previous frame: 0.007650000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 59091] [Response Time (ms): 7] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c Call-ID: b0bedff6449449618208b9bb516c1bd4 [Generated Call-ID: b0bedff6449449618208b9bb516c1bd4] From: ;tag=66c4d77e7b524881a652b55f1802c8f0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66c4d77e7b524881a652b55f1802c8f0 To: ;tag=z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjfb01d06fa00b4d6382df5b7a812e679c CSeq: 36985 PUBLISH Sequence Number: 36985 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 60364 570.430015 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 60364: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:26.596608000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:26.596608000 UTC Epoch Arrival Time: 1759769246.596608000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008008000 seconds] [Time delta from previous displayed frame: 11.887303000 seconds] [Time since reference or first frame: 570.430015000 seconds] Frame Number: 60364 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xe8c8 (59592) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xa58d [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xc830 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 106] [Timestamps] [Time since first frame: 561.687458000 seconds] [Time since previous frame: 11.887303000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 From: ;tag=9461a8a5-4da3-4af7-9a34-c0fba96560e0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9461a8a5-4da3-4af7-9a34-c0fba96560e0 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 7cb1b621-4831-4f5b-bbb5-8e764d3822eb [Generated Call-ID: 7cb1b621-4831-4f5b-bbb5-8e764d3822eb] CSeq: 50109 OPTIONS Sequence Number: 50109 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 60365 570.430510 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 60365: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:47:26.597103000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:47:26.597103000 UTC Epoch Arrival Time: 1759769246.597103000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000495000 seconds] [Time delta from previous displayed frame: 0.000495000 seconds] [Time since reference or first frame: 570.430510000 seconds] Frame Number: 60365 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xe35c (58204) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa67c [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x416e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 107] [Timestamps] [Time since first frame: 561.687953000 seconds] [Time since previous frame: 0.000495000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 60364] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 Call-ID: 7cb1b621-4831-4f5b-bbb5-8e764d3822eb [Generated Call-ID: 7cb1b621-4831-4f5b-bbb5-8e764d3822eb] From: ;tag=9461a8a5-4da3-4af7-9a34-c0fba96560e0 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9461a8a5-4da3-4af7-9a34-c0fba96560e0 To: ;tag=z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj31342cbc-45fb-42bd-8074-08fd99844907 CSeq: 50109 OPTIONS Sequence Number: 50109 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 66821 630.431538 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 66821: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:48:26.598131000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:48:26.598131000 UTC Epoch Arrival Time: 1759769306.598131000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004661000 seconds] [Time delta from previous displayed frame: 60.001028000 seconds] [Time since reference or first frame: 630.431538000 seconds] Frame Number: 66821 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x638a (25482) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2acc [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x8078 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 113] [Timestamps] [Time since first frame: 621.688981000 seconds] [Time since previous frame: 5.902869000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd From: ;tag=7376a3af-138e-43d3-8fab-3fc9ede73a64 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 7376a3af-138e-43d3-8fab-3fc9ede73a64 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: fac6c39d-6b25-453d-839d-e24aab57ae96 [Generated Call-ID: fac6c39d-6b25-453d-839d-e24aab57ae96] CSeq: 38685 OPTIONS Sequence Number: 38685 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 66822 630.431876 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 66822: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:48:26.598469000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:48:26.598469000 UTC Epoch Arrival Time: 1759769306.598469000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000338000 seconds] [Time delta from previous displayed frame: 0.000338000 seconds] [Time since reference or first frame: 630.431876000 seconds] Frame Number: 66822 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xef27 (61223) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x9ab1 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x5e3c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 114] [Timestamps] [Time since first frame: 621.689319000 seconds] [Time since previous frame: 0.000338000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 66821] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd Call-ID: fac6c39d-6b25-453d-839d-e24aab57ae96 [Generated Call-ID: fac6c39d-6b25-453d-839d-e24aab57ae96] From: ;tag=7376a3af-138e-43d3-8fab-3fc9ede73a64 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 7376a3af-138e-43d3-8fab-3fc9ede73a64 To: ;tag=z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj9f77c11b-507c-46a2-aa7a-c3e9ee15c6bd CSeq: 38685 OPTIONS Sequence Number: 38685 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 72021 679.337575 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 72021: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:15.504168000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:15.504168000 UTC Epoch Arrival Time: 1759769355.504168000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003130000 seconds] [Time delta from previous displayed frame: 48.905699000 seconds] [Time since reference or first frame: 679.337575000 seconds] Frame Number: 72021 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xf8c3 (63683) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x9187 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x898e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 119] [Timestamps] [Time since first frame: 670.595018000 seconds] [Time since previous frame: 1.806263000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f Max-Forwards: 70 From: ;tag=a3e4a18c90c7444daad751c544e3aed9 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a3e4a18c90c7444daad751c544e3aed9 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 58035a67051f423d89401737c7a4d9a5 [Generated Call-ID: 58035a67051f423d89401737c7a4d9a5] CSeq: 41423 PUBLISH Sequence Number: 41423 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:49:15.503Z Idle No. Time Source Destination Protocol Length Info 72023 679.354926 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 72023: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:15.521519000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:15.521519000 UTC Epoch Arrival Time: 1759769355.521519000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.012591000 seconds] [Time delta from previous displayed frame: 0.017351000 seconds] [Time since reference or first frame: 679.354926000 seconds] Frame Number: 72023 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xc89a (51354) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xc53f [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x9ebd [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 120] [Timestamps] [Time since first frame: 670.612369000 seconds] [Time since previous frame: 0.017351000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 72021] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f Call-ID: 58035a67051f423d89401737c7a4d9a5 [Generated Call-ID: 58035a67051f423d89401737c7a4d9a5] From: ;tag=a3e4a18c90c7444daad751c544e3aed9 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a3e4a18c90c7444daad751c544e3aed9 To: ;tag=z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj0cf27fc6a1d44f4e8f76c7143a19384f CSeq: 41423 PUBLISH Sequence Number: 41423 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771608/f80a42ccc9f6e71890413832d0beeee5",opaque="43e145a7621c7361",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771608/f80a42ccc9f6e71890413832d0beeee5" Opaque Value: "43e145a7621c7361" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 72024 679.355748 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 72024: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:15.522341000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:15.522341000 UTC Epoch Arrival Time: 1759769355.522341000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000822000 seconds] [Time delta from previous displayed frame: 0.000822000 seconds] [Time since reference or first frame: 679.355748000 seconds] Frame Number: 72024 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xf8c5 (63685) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x9062 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0xd3d5 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 121] [Timestamps] [Time since first frame: 670.613191000 seconds] [Time since previous frame: 0.000822000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 Max-Forwards: 70 From: ;tag=a3e4a18c90c7444daad751c544e3aed9 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a3e4a18c90c7444daad751c544e3aed9 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 58035a67051f423d89401737c7a4d9a5 [Generated Call-ID: 58035a67051f423d89401737c7a4d9a5] CSeq: 41424 PUBLISH Sequence Number: 41424 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771608/f80a42ccc9f6e71890413832d0beeee5", uri="sip:1606@172.16.48.3", response="61493772d8abeeb4b4283da9cce1d889", algorithm=MD5, cnonce="5dec29f2da134acfab0c56e4081 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771608/f80a42ccc9f6e71890413832d0beeee5" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "61493772d8abeeb4b4283da9cce1d889" Algorithm: MD5 CNonce Value: "5dec29f2da134acfab0c56e40815fa1d" Opaque Value: "43e145a7621c7361" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:49:15.503Z Idle No. Time Source Destination Protocol Length Info 72028 679.375057 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 72028: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:15.541650000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:15.541650000 UTC Epoch Arrival Time: 1759769355.541650000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002270000 seconds] [Time delta from previous displayed frame: 0.019309000 seconds] [Time since reference or first frame: 679.375057000 seconds] Frame Number: 72028 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xc8a5 (51365) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xc5c9 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xa278 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 122] [Timestamps] [Time since first frame: 670.632500000 seconds] [Time since previous frame: 0.019309000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 72024] [Response Time (ms): 19] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 Call-ID: 58035a67051f423d89401737c7a4d9a5 [Generated Call-ID: 58035a67051f423d89401737c7a4d9a5] From: ;tag=a3e4a18c90c7444daad751c544e3aed9 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a3e4a18c90c7444daad751c544e3aed9 To: ;tag=z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj819ef1c70de94811b5f20eb5e11f6d87 CSeq: 41424 PUBLISH Sequence Number: 41424 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 73204 690.432059 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 73204: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:26.598652000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:26.598652000 UTC Epoch Arrival Time: 1759769366.598652000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003179000 seconds] [Time delta from previous displayed frame: 11.057002000 seconds] [Time since reference or first frame: 690.432059000 seconds] Frame Number: 73204 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xdf90 (57232) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xaec5 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x992f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 123] [Timestamps] [Time since first frame: 681.689502000 seconds] [Time since previous frame: 11.057002000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 From: ;tag=ea20dfb2-6bf9-4cdb-819a-b8b61cc4a238 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ea20dfb2-6bf9-4cdb-819a-b8b61cc4a238 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: a5e9f41e-fb1e-4839-a99b-ef9e3e3951c2 [Generated Call-ID: a5e9f41e-fb1e-4839-a99b-ef9e3e3951c2] CSeq: 52198 OPTIONS Sequence Number: 52198 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 73205 690.432521 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 73205: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:49:26.599114000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:49:26.599114000 UTC Epoch Arrival Time: 1759769366.599114000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000462000 seconds] [Time delta from previous displayed frame: 0.000462000 seconds] [Time since reference or first frame: 690.432521000 seconds] Frame Number: 73205 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xfaf3 (64243) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x8ee5 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xc4cb [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 124] [Timestamps] [Time since first frame: 681.689964000 seconds] [Time since previous frame: 0.000462000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 73204] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 Call-ID: a5e9f41e-fb1e-4839-a99b-ef9e3e3951c2 [Generated Call-ID: a5e9f41e-fb1e-4839-a99b-ef9e3e3951c2] From: ;tag=ea20dfb2-6bf9-4cdb-819a-b8b61cc4a238 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ea20dfb2-6bf9-4cdb-819a-b8b61cc4a238 To: ;tag=z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjbd50da69-13c4-4ee6-8111-7f623a163615 CSeq: 52198 OPTIONS Sequence Number: 52198 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 79646 750.431822 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 79646: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:50:26.598415000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:50:26.598415000 UTC Epoch Arrival Time: 1759769426.598415000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009050000 seconds] [Time delta from previous displayed frame: 59.999301000 seconds] [Time since reference or first frame: 750.431822000 seconds] Frame Number: 79646 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x596e (22894) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x34e8 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x3835 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 130] [Timestamps] [Time since first frame: 741.689265000 seconds] [Time since previous frame: 4.896709000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 From: ;tag=2499b285-bfe7-4132-bfe5-71584300c4bd SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 2499b285-bfe7-4132-bfe5-71584300c4bd To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: b6b03d43-4d18-4098-918d-c1396629c6e3 [Generated Call-ID: b6b03d43-4d18-4098-918d-c1396629c6e3] CSeq: 40248 OPTIONS Sequence Number: 40248 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 79647 750.432253 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 79647: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:50:26.598846000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:50:26.598846000 UTC Epoch Arrival Time: 1759769426.598846000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000431000 seconds] [Time delta from previous displayed frame: 0.000431000 seconds] [Time since reference or first frame: 750.432253000 seconds] Frame Number: 79647 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x06be (1726) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x831b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xe4aa [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 131] [Timestamps] [Time since first frame: 741.689696000 seconds] [Time since previous frame: 0.000431000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 79646] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 Call-ID: b6b03d43-4d18-4098-918d-c1396629c6e3 [Generated Call-ID: b6b03d43-4d18-4098-918d-c1396629c6e3] From: ;tag=2499b285-bfe7-4132-bfe5-71584300c4bd SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 2499b285-bfe7-4132-bfe5-71584300c4bd To: ;tag=z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj3e9004f0-d82d-4dbb-982f-e940c587af83 CSeq: 40248 OPTIONS Sequence Number: 40248 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 86147 810.430183 172.16.48.3 192.168.16.251 SIP 493 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 86147: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:51:26.596776000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:51:26.596776000 UTC Epoch Arrival Time: 1759769486.596776000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004796000 seconds] [Time delta from previous displayed frame: 59.997930000 seconds] [Time since reference or first frame: 810.430183000 seconds] Frame Number: 86147 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0xd58f (54671) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xb8c7 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0x4909 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 136] [Timestamps] [Time since first frame: 801.687626000 seconds] [Time since previous frame: 12.892117000 seconds] UDP payload (451 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 From: ;tag=3b469cfb-e05e-4e89-b9ad-58dfec9ab587 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3b469cfb-e05e-4e89-b9ad-58dfec9ab587 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 1d372dd5-d8d5-42c3-87a9-e6e54eea5d0d [Generated Call-ID: 1d372dd5-d8d5-42c3-87a9-e6e54eea5d0d] CSeq: 5427 OPTIONS Sequence Number: 5427 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 86148 810.430392 192.168.16.251 172.16.48.3 SIP 874 Status: 200 OK (OPTIONS) | Frame 86148: 874 bytes on wire (6992 bits), 874 bytes captured (6992 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:51:26.596985000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:51:26.596985000 UTC Epoch Arrival Time: 1759769486.596985000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000209000 seconds] [Time delta from previous displayed frame: 0.000209000 seconds] [Time since reference or first frame: 810.430392000 seconds] Frame Number: 86148 Frame Length: 874 bytes (6992 bits) Capture Length: 874 bytes (6992 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 860 Identification: 0x1288 (4744) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x7752 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 840 Checksum: 0xea94 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 137] [Timestamps] [Time since first frame: 801.687835000 seconds] [Time since previous frame: 0.000209000 seconds] UDP payload (832 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 86147] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 Call-ID: 1d372dd5-d8d5-42c3-87a9-e6e54eea5d0d [Generated Call-ID: 1d372dd5-d8d5-42c3-87a9-e6e54eea5d0d] From: ;tag=3b469cfb-e05e-4e89-b9ad-58dfec9ab587 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3b469cfb-e05e-4e89-b9ad-58dfec9ab587 To: ;tag=z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjbd8d1834-ae63-4ec2-b56c-722b58d4c563 CSeq: 5427 OPTIONS Sequence Number: 5427 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 90660 852.525277 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 90660: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.691870000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.691870000 UTC Epoch Arrival Time: 1759769528.691870000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002547000 seconds] [Time delta from previous displayed frame: 42.094885000 seconds] [Time since reference or first frame: 852.525277000 seconds] Frame Number: 90660 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0x1ace (6862) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x704a [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0x1cd5 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 142] [Timestamps] [Time since first frame: 843.782720000 seconds] [Time since previous frame: 3.983043000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj59c694f2b1d04095ac0db1002de61319 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj59c694f2b1d04095ac0db1002de61319 Max-Forwards: 70 From: ;tag=62f07e67ebfc4b9c904ab795b2dddcd2 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 62f07e67ebfc4b9c904ab795b2dddcd2 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56635 REGISTER Sequence Number: 56635 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 90663 852.543449 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 90663: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.710042000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.710042000 UTC Epoch Arrival Time: 1759769528.710042000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001472000 seconds] [Time delta from previous displayed frame: 0.018172000 seconds] [Time since reference or first frame: 852.543449000 seconds] Frame Number: 90663 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0x2b4e (11086) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x628b [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0xaf58 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 143] [Timestamps] [Time since first frame: 843.800892000 seconds] [Time since previous frame: 0.018172000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 90660] [Response Time (ms): 18] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj59c694f2b1d04095ac0db1002de61319 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj59c694f2b1d04095ac0db1002de61319 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=62f07e67ebfc4b9c904ab795b2dddcd2 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 62f07e67ebfc4b9c904ab795b2dddcd2 To: ;tag=z9hG4bKPj59c694f2b1d04095ac0db1002de61319 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj59c694f2b1d04095ac0db1002de61319 CSeq: 56635 REGISTER Sequence Number: 56635 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759771781/f4107a28432dcd291dbeae78389c54aa",opaque="421546690403b44e",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771781/f4107a28432dcd291dbeae78389c54aa" Opaque Value: "421546690403b44e" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 90664 852.544017 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 90664: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.710610000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.710610000 UTC Epoch Arrival Time: 1759769528.710610000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000568000 seconds] [Time delta from previous displayed frame: 0.000568000 seconds] [Time since reference or first frame: 852.544017000 seconds] Frame Number: 90664 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0x1ad1 (6865) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6f29 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x6e57 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 144] [Timestamps] [Time since first frame: 843.801460000 seconds] [Time since previous frame: 0.000568000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjb8bfc850716f43f391947979d996fd46 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjb8bfc850716f43f391947979d996fd46 Max-Forwards: 70 From: ;tag=62f07e67ebfc4b9c904ab795b2dddcd2 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 62f07e67ebfc4b9c904ab795b2dddcd2 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56636 REGISTER Sequence Number: 56636 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771781/f4107a28432dcd291dbeae78389c54aa", uri="sip:172.16.48.3", response="78bca8013a8021aeb8f7cefec0b1fab3", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771781/f4107a28432dcd291dbeae78389c54aa" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "78bca8013a8021aeb8f7cefec0b1fab3" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "421546690403b44e" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 90668 852.573171 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 90668: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.739764000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.739764000 UTC Epoch Arrival Time: 1759769528.739764000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003431000 seconds] [Time delta from previous displayed frame: 0.029154000 seconds] [Time since reference or first frame: 852.573171000 seconds] Frame Number: 90668 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0x2b65 (11109) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x62a4 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xe91e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 145] [Timestamps] [Time since first frame: 843.830614000 seconds] [Time since previous frame: 0.029154000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 90664] [Response Time (ms): 29] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjb8bfc850716f43f391947979d996fd46 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjb8bfc850716f43f391947979d996fd46 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=62f07e67ebfc4b9c904ab795b2dddcd2 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 62f07e67ebfc4b9c904ab795b2dddcd2 To: ;tag=z9hG4bKPjb8bfc850716f43f391947979d996fd46 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjb8bfc850716f43f391947979d996fd46 CSeq: 56636 REGISTER Sequence Number: 56636 Method: REGISTER Date: Mon, 06 Oct 2025 17:29:41 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 90669 852.573903 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 90669: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.740496000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.740496000 UTC Epoch Arrival Time: 1759769528.740496000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000732000 seconds] [Time delta from previous displayed frame: 0.000732000 seconds] [Time since reference or first frame: 852.573903000 seconds] Frame Number: 90669 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x1ad3 (6867) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6f78 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xfd01 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 146] [Timestamps] [Time since first frame: 843.831346000 seconds] [Time since previous frame: 0.000732000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d Max-Forwards: 70 From: ;tag=5bab83ac90aa40d2900555ae137ee15c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5bab83ac90aa40d2900555ae137ee15c To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8 [Generated Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8] CSeq: 38422 PUBLISH Sequence Number: 38422 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:52:08.739Z Idle No. Time Source Destination Protocol Length Info 90672 852.584019 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 90672: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.750612000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.750612000 UTC Epoch Arrival Time: 1759769528.750612000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000175000 seconds] [Time delta from previous displayed frame: 0.010116000 seconds] [Time since reference or first frame: 852.584019000 seconds] Frame Number: 90672 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x2b70 (11120) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x626a [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x8146 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 147] [Timestamps] [Time since first frame: 843.841462000 seconds] [Time since previous frame: 0.010116000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 90669] [Response Time (ms): 10] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8 [Generated Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8] From: ;tag=5bab83ac90aa40d2900555ae137ee15c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5bab83ac90aa40d2900555ae137ee15c To: ;tag=z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj77f5a7662ccd496b92c9e9cc03d6a74d CSeq: 38422 PUBLISH Sequence Number: 38422 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771781/f4107a28432dcd291dbeae78389c54aa",opaque="63a8319d6185968d",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771781/f4107a28432dcd291dbeae78389c54aa" Opaque Value: "63a8319d6185968d" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 90673 852.584514 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 90673: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.751107000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.751107000 UTC Epoch Arrival Time: 1759769528.751107000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000495000 seconds] [Time delta from previous displayed frame: 0.000495000 seconds] [Time since reference or first frame: 852.584514000 seconds] Frame Number: 90673 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x1ad5 (6869) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6e53 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x4a6a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 148] [Timestamps] [Time since first frame: 843.841957000 seconds] [Time since previous frame: 0.000495000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d Max-Forwards: 70 From: ;tag=5bab83ac90aa40d2900555ae137ee15c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5bab83ac90aa40d2900555ae137ee15c To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8 [Generated Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8] CSeq: 38423 PUBLISH Sequence Number: 38423 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771781/f4107a28432dcd291dbeae78389c54aa", uri="sip:1606@172.16.48.3", response="a4540550ad3d35d050c5f33a5fa7a3a9", algorithm=MD5, cnonce="a6e1ec5acc17407db75ebed44da Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771781/f4107a28432dcd291dbeae78389c54aa" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "a4540550ad3d35d050c5f33a5fa7a3a9" Algorithm: MD5 CNonce Value: "a6e1ec5acc17407db75ebed44daa27e1" Opaque Value: "63a8319d6185968d" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:52:08.739Z Idle No. Time Source Destination Protocol Length Info 90674 852.594102 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 90674: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:08.760695000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:08.760695000 UTC Epoch Arrival Time: 1759769528.760695000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009588000 seconds] [Time delta from previous displayed frame: 0.009588000 seconds] [Time since reference or first frame: 852.594102000 seconds] Frame Number: 90674 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x2b72 (11122) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x62fd [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xd8ec [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 149] [Timestamps] [Time since first frame: 843.851545000 seconds] [Time since previous frame: 0.009588000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 90673] [Response Time (ms): 9] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8 [Generated Call-ID: 04c38e29aecb4125801b3f0fe8ccf3d8] From: ;tag=5bab83ac90aa40d2900555ae137ee15c SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5bab83ac90aa40d2900555ae137ee15c To: ;tag=z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjf91c851f426d4604b1217ddec3d5cc6d CSeq: 38423 PUBLISH Sequence Number: 38423 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 92566 870.434070 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 92566: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:26.600663000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:26.600663000 UTC Epoch Arrival Time: 1759769546.600663000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010925000 seconds] [Time delta from previous displayed frame: 17.839968000 seconds] [Time since reference or first frame: 870.434070000 seconds] Frame Number: 92566 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x5095 (20629) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x3dc1 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xe636 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 151] [Timestamps] [Time since first frame: 861.691513000 seconds] [Time since previous frame: 4.860157000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 From: ;tag=e748cd4c-39af-4cde-b308-63676d413f76 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e748cd4c-39af-4cde-b308-63676d413f76 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 0c26495d-a94d-4680-a4a3-ab5d4a42d74d [Generated Call-ID: 0c26495d-a94d-4680-a4a3-ab5d4a42d74d] CSeq: 57679 OPTIONS Sequence Number: 57679 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 92567 870.434731 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 92567: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:52:26.601324000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:52:26.601324000 UTC Epoch Arrival Time: 1759769546.601324000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000661000 seconds] [Time delta from previous displayed frame: 0.000661000 seconds] [Time since reference or first frame: 870.434731000 seconds] Frame Number: 92567 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x1e56 (7766) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6b83 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xb664 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 152] [Timestamps] [Time since first frame: 861.692174000 seconds] [Time since previous frame: 0.000661000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 92566] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 Call-ID: 0c26495d-a94d-4680-a4a3-ab5d4a42d74d [Generated Call-ID: 0c26495d-a94d-4680-a4a3-ab5d4a42d74d] From: ;tag=e748cd4c-39af-4cde-b308-63676d413f76 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e748cd4c-39af-4cde-b308-63676d413f76 To: ;tag=z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjc953db70-a878-4d73-9639-58c119d66926 CSeq: 57679 OPTIONS Sequence Number: 57679 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 98999 930.434179 172.16.48.3 192.168.16.251 SIP 493 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 98999: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:53:26.600772000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:53:26.600772000 UTC Epoch Arrival Time: 1759769606.600772000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000085000 seconds] [Time delta from previous displayed frame: 59.999448000 seconds] [Time since reference or first frame: 930.434179000 seconds] Frame Number: 98999 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0xca30 (51760) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xc426 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0xa24e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 157] [Timestamps] [Time since first frame: 921.691622000 seconds] [Time since previous frame: 10.856803000 seconds] UDP payload (451 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 From: ;tag=2b29d98f-d41d-460e-bfc4-681dc8cc1029 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 2b29d98f-d41d-460e-bfc4-681dc8cc1029 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 29215d40-5914-44e1-bad2-8a7658c3f7d5 [Generated Call-ID: 29215d40-5914-44e1-bad2-8a7658c3f7d5] CSeq: 5998 OPTIONS Sequence Number: 5998 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 99000 930.434381 192.168.16.251 172.16.48.3 SIP 874 Status: 200 OK (OPTIONS) | Frame 99000: 874 bytes on wire (6992 bits), 874 bytes captured (6992 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:53:26.600974000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:53:26.600974000 UTC Epoch Arrival Time: 1759769606.600974000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000202000 seconds] [Time delta from previous displayed frame: 0.000202000 seconds] [Time since reference or first frame: 930.434381000 seconds] Frame Number: 99000 Frame Length: 874 bytes (6992 bits) Capture Length: 874 bytes (6992 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 860 Identification: 0x2a20 (10784) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x5fba [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 840 Checksum: 0x3af2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 158] [Timestamps] [Time since first frame: 921.691824000 seconds] [Time since previous frame: 0.000202000 seconds] UDP payload (832 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 98999] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 Call-ID: 29215d40-5914-44e1-bad2-8a7658c3f7d5 [Generated Call-ID: 29215d40-5914-44e1-bad2-8a7658c3f7d5] From: ;tag=2b29d98f-d41d-460e-bfc4-681dc8cc1029 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 2b29d98f-d41d-460e-bfc4-681dc8cc1029 To: ;tag=z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj8b43cb15-aa4b-4dd7-900b-dc4390573a19 CSeq: 5998 OPTIONS Sequence Number: 5998 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 100443 943.954881 192.168.16.251 172.16.48.3 SIP 554 Request: UPDATE sip:172.16.48.3:5060 | Frame 100443: 554 bytes on wire (4432 bits), 554 bytes captured (4432 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:53:40.121474000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:53:40.121474000 UTC Epoch Arrival Time: 1759769620.121474000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010760000 seconds] [Time delta from previous displayed frame: 13.520500000 seconds] [Time since reference or first frame: 943.954881000 seconds] Frame Number: 100443 Frame Length: 554 bytes (4432 bits) Capture Length: 554 bytes (4432 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 540 Identification: 0x2cc9 (11465) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x5e51 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 520 Checksum: 0x5877 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 160] [Timestamps] [Time since first frame: 935.212324000 seconds] [Time since previous frame: 12.375934000 seconds] UDP payload (512 bytes) Session Initiation Protocol (UPDATE) Request-Line: UPDATE sip:172.16.48.3:5060 SIP/2.0 Method: UPDATE Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPje7457ce82f294a34b4b480a4f9b7cf47 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPje7457ce82f294a34b4b480a4f9b7cf47 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25534 UPDATE Sequence Number: 25534 Method: UPDATE Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800;refresher=uac Min-SE: 90 Content-Length: 0 No. Time Source Destination Protocol Length Info 100445 943.961089 172.16.48.3 192.168.16.251 SIP 707 Status: 200 OK (UPDATE) | Frame 100445: 707 bytes on wire (5656 bits), 707 bytes captured (5656 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:53:40.127682000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:53:40.127682000 UTC Epoch Arrival Time: 1759769620.127682000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000352000 seconds] [Time delta from previous displayed frame: 0.006208000 seconds] [Time since reference or first frame: 943.961089000 seconds] Frame Number: 100445 Frame Length: 707 bytes (5656 bits) Capture Length: 707 bytes (5656 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 693 Identification: 0xe5db (58843) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xa7a5 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 673 Checksum: 0xc965 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 161] [Timestamps] [Time since first frame: 935.218532000 seconds] [Time since previous frame: 0.006208000 seconds] UDP payload (665 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 100443] [Response Time (ms): 6] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPje7457ce82f294a34b4b480a4f9b7cf47 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPje7457ce82f294a34b4b480a4f9b7cf47 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25534 UPDATE Sequence Number: 25534 Method: UPDATE Session-Expires: 1800;refresher=uac Require: timer Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 104294 979.337714 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 104294: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:15.504307000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:15.504307000 UTC Epoch Arrival Time: 1759769655.504307000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010667000 seconds] [Time delta from previous displayed frame: 35.376625000 seconds] [Time since reference or first frame: 979.337714000 seconds] Frame Number: 104294 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x33be (13246) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x568d [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x220c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 165] [Timestamps] [Time since first frame: 970.595157000 seconds] [Time since previous frame: 8.756887000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 Max-Forwards: 70 From: ;tag=8748280cdf3f4406b0ce488726e2610d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8748280cdf3f4406b0ce488726e2610d To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 9207e3ea2cab41f681d5c9265ef19815 [Generated Call-ID: 9207e3ea2cab41f681d5c9265ef19815] CSeq: 37279 PUBLISH Sequence Number: 37279 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:54:15.504Z Idle No. Time Source Destination Protocol Length Info 104297 979.350942 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 104297: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:15.517535000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:15.517535000 UTC Epoch Arrival Time: 1759769655.517535000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007737000 seconds] [Time delta from previous displayed frame: 0.013228000 seconds] [Time since reference or first frame: 979.350942000 seconds] Frame Number: 104297 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x2dee (11758) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x5fec [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x7801 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 166] [Timestamps] [Time since first frame: 970.608385000 seconds] [Time since previous frame: 0.013228000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 104294] [Response Time (ms): 13] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 Call-ID: 9207e3ea2cab41f681d5c9265ef19815 [Generated Call-ID: 9207e3ea2cab41f681d5c9265ef19815] From: ;tag=8748280cdf3f4406b0ce488726e2610d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8748280cdf3f4406b0ce488726e2610d To: ;tag=z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjd33107c818d444deb2e1ff0708ebd920 CSeq: 37279 PUBLISH Sequence Number: 37279 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759771908/05fd96c89a77686162a75c83dd950620",opaque="2f30aeda5b69e54d",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759771908/05fd96c89a77686162a75c83dd950620" Opaque Value: "2f30aeda5b69e54d" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 104298 979.351300 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 104298: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:15.517893000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:15.517893000 UTC Epoch Arrival Time: 1759769655.517893000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000358000 seconds] [Time delta from previous displayed frame: 0.000358000 seconds] [Time since reference or first frame: 979.351300000 seconds] Frame Number: 104298 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x33c0 (13248) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x5568 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0xbb64 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 167] [Timestamps] [Time since first frame: 970.608743000 seconds] [Time since previous frame: 0.000358000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea Max-Forwards: 70 From: ;tag=8748280cdf3f4406b0ce488726e2610d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8748280cdf3f4406b0ce488726e2610d To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 9207e3ea2cab41f681d5c9265ef19815 [Generated Call-ID: 9207e3ea2cab41f681d5c9265ef19815] CSeq: 37280 PUBLISH Sequence Number: 37280 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759771908/05fd96c89a77686162a75c83dd950620", uri="sip:1606@172.16.48.3", response="96d127dd8656a2a18451716a0cdd64d0", algorithm=MD5, cnonce="6e2dd32f61064b54a04435649d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759771908/05fd96c89a77686162a75c83dd950620" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "96d127dd8656a2a18451716a0cdd64d0" Algorithm: MD5 CNonce Value: "6e2dd32f61064b54a04435649d145064" Opaque Value: "2f30aeda5b69e54d" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:54:15.504Z Idle No. Time Source Destination Protocol Length Info 104301 979.365960 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 104301: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:15.532553000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:15.532553000 UTC Epoch Arrival Time: 1759769655.532553000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005176000 seconds] [Time delta from previous displayed frame: 0.014660000 seconds] [Time since reference or first frame: 979.365960000 seconds] Frame Number: 104301 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x2df8 (11768) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x6077 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x2976 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 168] [Timestamps] [Time since first frame: 970.623403000 seconds] [Time since previous frame: 0.014660000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 104298] [Response Time (ms): 14] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea Call-ID: 9207e3ea2cab41f681d5c9265ef19815 [Generated Call-ID: 9207e3ea2cab41f681d5c9265ef19815] From: ;tag=8748280cdf3f4406b0ce488726e2610d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8748280cdf3f4406b0ce488726e2610d To: ;tag=z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj5ffd89a3afaa4a6babbabed3bf119fea CSeq: 37280 PUBLISH Sequence Number: 37280 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 105475 990.432850 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 105475: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:26.599443000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:26.599443000 UTC Epoch Arrival Time: 1759769666.599443000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008040000 seconds] [Time delta from previous displayed frame: 11.066890000 seconds] [Time since reference or first frame: 990.432850000 seconds] Frame Number: 105475 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x454d (17741) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x4909 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xbeb0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 170] [Timestamps] [Time since first frame: 981.690293000 seconds] [Time since previous frame: 6.851370000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d From: ;tag=6e4a4533-e943-42a7-9266-f404d9c5e388 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 6e4a4533-e943-42a7-9266-f404d9c5e388 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 1802d519-dcbb-40d5-af7f-a5769a262dcf [Generated Call-ID: 1802d519-dcbb-40d5-af7f-a5769a262dcf] CSeq: 61459 OPTIONS Sequence Number: 61459 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 105476 990.433081 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 105476: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:54:26.599674000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:54:26.599674000 UTC Epoch Arrival Time: 1759769666.599674000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000231000 seconds] [Time delta from previous displayed frame: 0.000231000 seconds] [Time since reference or first frame: 990.433081000 seconds] Frame Number: 105476 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x35ee (13806) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x53eb [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xd18d [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 171] [Timestamps] [Time since first frame: 981.690524000 seconds] [Time since previous frame: 0.000231000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 105475] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d Call-ID: 1802d519-dcbb-40d5-af7f-a5769a262dcf [Generated Call-ID: 1802d519-dcbb-40d5-af7f-a5769a262dcf] From: ;tag=6e4a4533-e943-42a7-9266-f404d9c5e388 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 6e4a4533-e943-42a7-9266-f404d9c5e388 To: ;tag=z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjb1c31172-a94f-49d7-87cb-41452378303d CSeq: 61459 OPTIONS Sequence Number: 61459 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 111887 1050.434097 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 111887: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:55:26.600690000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:55:26.600690000 UTC Epoch Arrival Time: 1759769726.600690000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006831000 seconds] [Time delta from previous displayed frame: 60.001016000 seconds] [Time since reference or first frame: 1050.434097000 seconds] Frame Number: 111887 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xc001 (49153) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xce54 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x1d20 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 177] [Timestamps] [Time since first frame: 1041.691540000 seconds] [Time since previous frame: 0.850445000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 From: ;tag=909abd9e-43a8-4011-b1bb-2d725d037f35 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 909abd9e-43a8-4011-b1bb-2d725d037f35 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 6ffe68ee-31a7-468f-832c-4eae03e124f1 [Generated Call-ID: 6ffe68ee-31a7-468f-832c-4eae03e124f1] CSeq: 57540 OPTIONS Sequence Number: 57540 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 111888 1050.434327 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 111888: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:55:26.600920000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:55:26.600920000 UTC Epoch Arrival Time: 1759769726.600920000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000230000 seconds] [Time delta from previous displayed frame: 0.000230000 seconds] [Time since reference or first frame: 1050.434327000 seconds] Frame Number: 111888 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x41b9 (16825) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x4820 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x320f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 178] [Timestamps] [Time since first frame: 1041.691770000 seconds] [Time since previous frame: 0.000230000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 111887] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 Call-ID: 6ffe68ee-31a7-468f-832c-4eae03e124f1 [Generated Call-ID: 6ffe68ee-31a7-468f-832c-4eae03e124f1] From: ;tag=909abd9e-43a8-4011-b1bb-2d725d037f35 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 909abd9e-43a8-4011-b1bb-2d725d037f35 To: ;tag=z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj7d980cf9-767e-44c4-8793-27c6343291a2 CSeq: 57540 OPTIONS Sequence Number: 57540 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 118389 1110.435930 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 118389: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:56:26.602523000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:56:26.602523000 UTC Epoch Arrival Time: 1759769786.602523000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.013353000 seconds] [Time delta from previous displayed frame: 60.001603000 seconds] [Time since reference or first frame: 1110.435930000 seconds] Frame Number: 118389 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x3b71 (15217) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x52e5 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x2457 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 183] [Timestamps] [Time since first frame: 1101.693373000 seconds] [Time since previous frame: 9.848415000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d From: ;tag=8e9e4301-90f0-46eb-9521-049cd4e15e90 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8e9e4301-90f0-46eb-9521-049cd4e15e90 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 8d753990-0556-4af5-b111-506847fee5f4 [Generated Call-ID: 8d753990-0556-4af5-b111-506847fee5f4] CSeq: 62291 OPTIONS Sequence Number: 62291 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 118390 1110.436149 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 118390: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:56:26.602742000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:56:26.602742000 UTC Epoch Arrival Time: 1759769786.602742000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000219000 seconds] [Time delta from previous displayed frame: 0.000219000 seconds] [Time since reference or first frame: 1110.436149000 seconds] Frame Number: 118390 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x4d83 (19843) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x3c56 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x1370 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 184] [Timestamps] [Time since first frame: 1101.693592000 seconds] [Time since previous frame: 0.000219000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 118389] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d Call-ID: 8d753990-0556-4af5-b111-506847fee5f4 [Generated Call-ID: 8d753990-0556-4af5-b111-506847fee5f4] From: ;tag=8e9e4301-90f0-46eb-9521-049cd4e15e90 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8e9e4301-90f0-46eb-9521-049cd4e15e90 To: ;tag=z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjae2b8ac0-12f4-4438-ba41-633c9fec672d CSeq: 62291 OPTIONS Sequence Number: 62291 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 122251 1146.574868 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 122251: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.741461000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.741461000 UTC Epoch Arrival Time: 1759769822.741461000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007919000 seconds] [Time delta from previous displayed frame: 36.138719000 seconds] [Time since reference or first frame: 1146.574868000 seconds] Frame Number: 122251 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0x549d (21661) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x367b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0x1b41 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 188] [Timestamps] [Time since first frame: 1137.832311000 seconds] [Time since previous frame: 6.985524000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 Max-Forwards: 70 From: ;tag=ca8954d84a384f79922922eb00c50c94 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ca8954d84a384f79922922eb00c50c94 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56637 REGISTER Sequence Number: 56637 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 122254 1146.592295 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 122254: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.758888000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.758888000 UTC Epoch Arrival Time: 1759769822.758888000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004755000 seconds] [Time delta from previous displayed frame: 0.017427000 seconds] [Time since reference or first frame: 1146.592295000 seconds] Frame Number: 122254 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0x85d4 (34260) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x0805 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0x0f6b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 189] [Timestamps] [Time since first frame: 1137.849738000 seconds] [Time since previous frame: 0.017427000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 122251] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=ca8954d84a384f79922922eb00c50c94 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ca8954d84a384f79922922eb00c50c94 To: ;tag=z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj5c4c949108bb4317a70b9080b6ae3539 CSeq: 56637 REGISTER Sequence Number: 56637 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759772075/27a4949125cc98fb55a6acc4da89713d",opaque="2852902c6186e85d",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772075/27a4949125cc98fb55a6acc4da89713d" Opaque Value: "2852902c6186e85d" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 122255 1146.592859 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 122255: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.759452000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.759452000 UTC Epoch Arrival Time: 1759769822.759452000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000564000 seconds] [Time delta from previous displayed frame: 0.000564000 seconds] [Time since reference or first frame: 1146.592859000 seconds] Frame Number: 122255 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0x549f (21663) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x355b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x0489 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 190] [Timestamps] [Time since first frame: 1137.850302000 seconds] [Time since previous frame: 0.000564000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 Max-Forwards: 70 From: ;tag=ca8954d84a384f79922922eb00c50c94 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ca8954d84a384f79922922eb00c50c94 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56638 REGISTER Sequence Number: 56638 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772075/27a4949125cc98fb55a6acc4da89713d", uri="sip:172.16.48.3", response="4053e9388ac568a36fa3b1295a68e620", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772075/27a4949125cc98fb55a6acc4da89713d" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "4053e9388ac568a36fa3b1295a68e620" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "2852902c6186e85d" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 122259 1146.620463 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 122259: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.787056000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.787056000 UTC Epoch Arrival Time: 1759769822.787056000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000100000 seconds] [Time delta from previous displayed frame: 0.027604000 seconds] [Time since reference or first frame: 1146.620463000 seconds] Frame Number: 122259 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0x85e5 (34277) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x0824 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xf3ba [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 191] [Timestamps] [Time since first frame: 1137.877906000 seconds] [Time since previous frame: 0.027604000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 122255] [Response Time (ms): 27] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=ca8954d84a384f79922922eb00c50c94 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ca8954d84a384f79922922eb00c50c94 To: ;tag=z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjc94bd8e771da419ca1c9f293f6f5b5b4 CSeq: 56638 REGISTER Sequence Number: 56638 Method: REGISTER Date: Mon, 06 Oct 2025 17:34:35 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 122260 1146.620876 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 122260: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.787469000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.787469000 UTC Epoch Arrival Time: 1759769822.787469000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000413000 seconds] [Time delta from previous displayed frame: 0.000413000 seconds] [Time since reference or first frame: 1146.620876000 seconds] Frame Number: 122260 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x54a2 (21666) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x35a9 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x6730 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 192] [Timestamps] [Time since first frame: 1137.878319000 seconds] [Time since previous frame: 0.000413000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 Max-Forwards: 70 From: ;tag=3518d0fe449c48d684eb90e5bd015085 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3518d0fe449c48d684eb90e5bd015085 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c459ee16c2e44033ad53bbce78351d38 [Generated Call-ID: c459ee16c2e44033ad53bbce78351d38] CSeq: 34118 PUBLISH Sequence Number: 34118 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:57:02.787Z Idle No. Time Source Destination Protocol Length Info 122262 1146.632958 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 122262: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.799551000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.799551000 UTC Epoch Arrival Time: 1759769822.799551000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009845000 seconds] [Time delta from previous displayed frame: 0.012082000 seconds] [Time since reference or first frame: 1146.632958000 seconds] Frame Number: 122262 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x85ee (34286) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x07ec [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xd475 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 193] [Timestamps] [Time since first frame: 1137.890401000 seconds] [Time since previous frame: 0.012082000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 122260] [Response Time (ms): 12] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 Call-ID: c459ee16c2e44033ad53bbce78351d38 [Generated Call-ID: c459ee16c2e44033ad53bbce78351d38] From: ;tag=3518d0fe449c48d684eb90e5bd015085 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3518d0fe449c48d684eb90e5bd015085 To: ;tag=z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjbe50ab6a16c94ffc88f8c52bbfefce33 CSeq: 34118 PUBLISH Sequence Number: 34118 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772075/27a4949125cc98fb55a6acc4da89713d",opaque="1537cfe52484addd",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772075/27a4949125cc98fb55a6acc4da89713d" Opaque Value: "1537cfe52484addd" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 122263 1146.633237 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 122263: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.799830000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.799830000 UTC Epoch Arrival Time: 1759769822.799830000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000279000 seconds] [Time delta from previous displayed frame: 0.000279000 seconds] [Time since reference or first frame: 1146.633237000 seconds] Frame Number: 122263 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x54a3 (21667) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x3485 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x5efd [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 194] [Timestamps] [Time since first frame: 1137.890680000 seconds] [Time since previous frame: 0.000279000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj5eec899a42074cf0a95aa9af640c774d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj5eec899a42074cf0a95aa9af640c774d Max-Forwards: 70 From: ;tag=3518d0fe449c48d684eb90e5bd015085 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3518d0fe449c48d684eb90e5bd015085 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c459ee16c2e44033ad53bbce78351d38 [Generated Call-ID: c459ee16c2e44033ad53bbce78351d38] CSeq: 34119 PUBLISH Sequence Number: 34119 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772075/27a4949125cc98fb55a6acc4da89713d", uri="sip:1606@172.16.48.3", response="0264691541d834635b040531866c4b5a", algorithm=MD5, cnonce="e7985c65163a499abbab6bc72a1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772075/27a4949125cc98fb55a6acc4da89713d" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "0264691541d834635b040531866c4b5a" Algorithm: MD5 CNonce Value: "e7985c65163a499abbab6bc72a1eb17d" Opaque Value: "1537cfe52484addd" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:57:02.787Z Idle No. Time Source Destination Protocol Length Info 122265 1146.640406 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 122265: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:02.806999000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:02.806999000 UTC Epoch Arrival Time: 1759769822.806999000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000858000 seconds] [Time delta from previous displayed frame: 0.007169000 seconds] [Time since reference or first frame: 1146.640406000 seconds] Frame Number: 122265 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x85f3 (34291) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x087c [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xe992 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 195] [Timestamps] [Time since first frame: 1137.897849000 seconds] [Time since previous frame: 0.007169000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 122263] [Response Time (ms): 7] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj5eec899a42074cf0a95aa9af640c774d Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj5eec899a42074cf0a95aa9af640c774d Call-ID: c459ee16c2e44033ad53bbce78351d38 [Generated Call-ID: c459ee16c2e44033ad53bbce78351d38] From: ;tag=3518d0fe449c48d684eb90e5bd015085 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 3518d0fe449c48d684eb90e5bd015085 To: ;tag=z9hG4bKPj5eec899a42074cf0a95aa9af640c774d SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj5eec899a42074cf0a95aa9af640c774d CSeq: 34119 PUBLISH Sequence Number: 34119 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 124803 1170.436253 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 124803: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:26.602846000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:26.602846000 UTC Epoch Arrival Time: 1759769846.602846000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008976000 seconds] [Time delta from previous displayed frame: 23.795847000 seconds] [Time since reference or first frame: 1170.436253000 seconds] Frame Number: 124803 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xb698 (46744) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xd7bd [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xecd0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 197] [Timestamps] [Time since first frame: 1161.693696000 seconds] [Time since previous frame: 10.814651000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 From: ;tag=463d194a-8806-4de3-9355-83936ec4b10f SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 463d194a-8806-4de3-9355-83936ec4b10f To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: b5759572-f38a-4e24-9138-a4e1d1926972 [Generated Call-ID: b5759572-f38a-4e24-9138-a4e1d1926972] CSeq: 59541 OPTIONS Sequence Number: 59541 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 124804 1170.436484 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 124804: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:57:26.603077000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:57:26.603077000 UTC Epoch Arrival Time: 1759769846.603077000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000231000 seconds] [Time delta from previous displayed frame: 0.000231000 seconds] [Time since reference or first frame: 1170.436484000 seconds] Frame Number: 124804 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x5950 (22864) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x3089 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xf8bf [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 198] [Timestamps] [Time since first frame: 1161.693927000 seconds] [Time since previous frame: 0.000231000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 124803] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 Call-ID: b5759572-f38a-4e24-9138-a4e1d1926972 [Generated Call-ID: b5759572-f38a-4e24-9138-a4e1d1926972] From: ;tag=463d194a-8806-4de3-9355-83936ec4b10f SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 463d194a-8806-4de3-9355-83936ec4b10f To: ;tag=z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj5e363ccf-582a-455d-84ed-7bdf236cf310 CSeq: 59541 OPTIONS Sequence Number: 59541 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 131227 1230.435757 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 131227: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:58:26.602350000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:58:26.602350000 UTC Epoch Arrival Time: 1759769906.602350000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.015933000 seconds] [Time delta from previous displayed frame: 59.999273000 seconds] [Time since reference or first frame: 1230.435757000 seconds] Frame Number: 131227 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x320f (12815) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x5c47 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xce79 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 204] [Timestamps] [Time since first frame: 1221.693200000 seconds] [Time since previous frame: 2.812781000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f From: ;tag=8bd32300-a3cf-4d2d-a928-8517089d222a SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8bd32300-a3cf-4d2d-a928-8517089d222a To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: ffe67b7b-f276-4f93-ab13-6510664a3851 [Generated Call-ID: ffe67b7b-f276-4f93-ab13-6510664a3851] CSeq: 45992 OPTIONS Sequence Number: 45992 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 131228 1230.435988 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 131228: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:58:26.602581000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:58:26.602581000 UTC Epoch Arrival Time: 1759769906.602581000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000231000 seconds] [Time delta from previous displayed frame: 0.000231000 seconds] [Time since reference or first frame: 1230.435988000 seconds] Frame Number: 131228 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x651b (25883) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x24be [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x445d [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 205] [Timestamps] [Time since first frame: 1221.693431000 seconds] [Time since previous frame: 0.000231000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 131227] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f Call-ID: ffe67b7b-f276-4f93-ab13-6510664a3851 [Generated Call-ID: ffe67b7b-f276-4f93-ab13-6510664a3851] From: ;tag=8bd32300-a3cf-4d2d-a928-8517089d222a SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8bd32300-a3cf-4d2d-a928-8517089d222a To: ;tag=z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj2cb780d2-34ed-485a-80c2-be95c516728f CSeq: 45992 OPTIONS Sequence Number: 45992 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 136473 1279.338002 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 136473: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:15.504595000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:15.504595000 UTC Epoch Arrival Time: 1759769955.504595000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.014016000 seconds] [Time delta from previous displayed frame: 48.902014000 seconds] [Time since reference or first frame: 1279.338002000 seconds] Frame Number: 136473 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x6eb7 (28343) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1b94 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xc727 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 209] [Timestamps] [Time since first frame: 1270.595445000 seconds] [Time since previous frame: 13.715688000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 Max-Forwards: 70 From: ;tag=fd78bc9502d844b79593fdc72ce02b18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fd78bc9502d844b79593fdc72ce02b18 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 319e94fccc3d43708934156701ade4e3 [Generated Call-ID: 319e94fccc3d43708934156701ade4e3] CSeq: 25390 PUBLISH Sequence Number: 25390 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:59:15.504Z Idle No. Time Source Destination Protocol Length Info 136476 1279.355125 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 136476: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:15.521718000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:15.521718000 UTC Epoch Arrival Time: 1759769955.521718000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005568000 seconds] [Time delta from previous displayed frame: 0.017123000 seconds] [Time since reference or first frame: 1279.355125000 seconds] Frame Number: 136476 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x9798 (38808) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf641 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x41a0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 210] [Timestamps] [Time since first frame: 1270.612568000 seconds] [Time since previous frame: 0.017123000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 136473] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 Call-ID: 319e94fccc3d43708934156701ade4e3 [Generated Call-ID: 319e94fccc3d43708934156701ade4e3] From: ;tag=fd78bc9502d844b79593fdc72ce02b18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fd78bc9502d844b79593fdc72ce02b18 To: ;tag=z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj69aad49e75d74dcb8efcc1dfb027b903 CSeq: 25390 PUBLISH Sequence Number: 25390 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772208/767f9c53909cbafe53e23fe3956af94b",opaque="2795707c70f3fdfd",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772208/767f9c53909cbafe53e23fe3956af94b" Opaque Value: "2795707c70f3fdfd" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 136477 1279.355403 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 136477: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:15.521996000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:15.521996000 UTC Epoch Arrival Time: 1759769955.521996000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000278000 seconds] [Time delta from previous displayed frame: 0.000278000 seconds] [Time since reference or first frame: 1279.355403000 seconds] Frame Number: 136477 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x6eb9 (28345) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x1a6f [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x6264 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 211] [Timestamps] [Time since first frame: 1270.612846000 seconds] [Time since previous frame: 0.000278000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff Max-Forwards: 70 From: ;tag=fd78bc9502d844b79593fdc72ce02b18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fd78bc9502d844b79593fdc72ce02b18 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 319e94fccc3d43708934156701ade4e3 [Generated Call-ID: 319e94fccc3d43708934156701ade4e3] CSeq: 25391 PUBLISH Sequence Number: 25391 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772208/767f9c53909cbafe53e23fe3956af94b", uri="sip:1606@172.16.48.3", response="cdaca779813b173e19760e92dceb0ce5", algorithm=MD5, cnonce="dcdef846666145c4b843e7e6373 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772208/767f9c53909cbafe53e23fe3956af94b" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "cdaca779813b173e19760e92dceb0ce5" Algorithm: MD5 CNonce Value: "dcdef846666145c4b843e7e6373c0c8d" Opaque Value: "2795707c70f3fdfd" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T16:59:15.504Z Idle No. Time Source Destination Protocol Length Info 136481 1279.371098 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 136481: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:15.537691000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:15.537691000 UTC Epoch Arrival Time: 1759769955.537691000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004987000 seconds] [Time delta from previous displayed frame: 0.015695000 seconds] [Time since reference or first frame: 1279.371098000 seconds] Frame Number: 136481 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x97a1 (38817) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf6cd [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xf263 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 212] [Timestamps] [Time since first frame: 1270.628541000 seconds] [Time since previous frame: 0.015695000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 136477] [Response Time (ms): 15] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff Call-ID: 319e94fccc3d43708934156701ade4e3 [Generated Call-ID: 319e94fccc3d43708934156701ade4e3] From: ;tag=fd78bc9502d844b79593fdc72ce02b18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fd78bc9502d844b79593fdc72ce02b18 To: ;tag=z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjfb90658b90294d09a6bd1cc99e3d94ff CSeq: 25391 PUBLISH Sequence Number: 25391 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 137652 1290.435221 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 137652: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:26.601814000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:26.601814000 UTC Epoch Arrival Time: 1759769966.601814000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000076000 seconds] [Time delta from previous displayed frame: 11.064123000 seconds] [Time since reference or first frame: 1290.435221000 seconds] Frame Number: 137652 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xaec6 (44742) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xdf8f [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x63b2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 214] [Timestamps] [Time since first frame: 1281.692664000 seconds] [Time since previous frame: 10.811336000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 From: ;tag=72cc193b-c54c-48ea-9f4a-9fc495f00eb3 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 72cc193b-c54c-48ea-9f4a-9fc495f00eb3 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 8755c0d1-e1cd-44b9-bcc9-41cbf10a7e2c [Generated Call-ID: 8755c0d1-e1cd-44b9-bcc9-41cbf10a7e2c] CSeq: 20488 OPTIONS Sequence Number: 20488 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 137653 1290.435399 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 137653: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 17:59:26.601992000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 16:59:26.601992000 UTC Epoch Arrival Time: 1759769966.601992000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000178000 seconds] [Time delta from previous displayed frame: 0.000178000 seconds] [Time since reference or first frame: 1290.435399000 seconds] Frame Number: 137653 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x70e7 (28903) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x18f2 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xf7ec [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 215] [Timestamps] [Time since first frame: 1281.692842000 seconds] [Time since previous frame: 0.000178000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 137652] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 Call-ID: 8755c0d1-e1cd-44b9-bcc9-41cbf10a7e2c [Generated Call-ID: 8755c0d1-e1cd-44b9-bcc9-41cbf10a7e2c] From: ;tag=72cc193b-c54c-48ea-9f4a-9fc495f00eb3 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 72cc193b-c54c-48ea-9f4a-9fc495f00eb3 To: ;tag=z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj12333c1d-fdbd-4c67-b85c-1bfc8c7640e9 CSeq: 20488 OPTIONS Sequence Number: 20488 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 144066 1350.435575 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 144066: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:00:26.602168000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:00:26.602168000 UTC Epoch Arrival Time: 1759770026.602168000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002891000 seconds] [Time delta from previous displayed frame: 60.000176000 seconds] [Time since reference or first frame: 1350.435575000 seconds] Frame Number: 144066 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x28f6 (10486) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x6560 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x739f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 221] [Timestamps] [Time since first frame: 1341.693018000 seconds] [Time since previous frame: 5.805855000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a From: ;tag=8c901ae7-2808-4407-a6db-b6f4364cbd01 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8c901ae7-2808-4407-a6db-b6f4364cbd01 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 334d9bc1-ac37-4a23-adbc-f67a718665d3 [Generated Call-ID: 334d9bc1-ac37-4a23-adbc-f67a718665d3] CSeq: 31280 OPTIONS Sequence Number: 31280 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 144067 1350.435808 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 144067: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:00:26.602401000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:00:26.602401000 UTC Epoch Arrival Time: 1759770026.602401000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000233000 seconds] [Time delta from previous displayed frame: 0.000233000 seconds] [Time since reference or first frame: 1350.435808000 seconds] Frame Number: 144067 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x7cb2 (31922) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x0d27 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x7568 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 222] [Timestamps] [Time since first frame: 1341.693251000 seconds] [Time since previous frame: 0.000233000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 144066] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a Call-ID: 334d9bc1-ac37-4a23-adbc-f67a718665d3 [Generated Call-ID: 334d9bc1-ac37-4a23-adbc-f67a718665d3] From: ;tag=8c901ae7-2808-4407-a6db-b6f4364cbd01 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 8c901ae7-2808-4407-a6db-b6f4364cbd01 To: ;tag=z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjaa4cd347-c843-493e-8caa-f84d66af218a CSeq: 31280 OPTIONS Sequence Number: 31280 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 150533 1410.437008 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 150533: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:26.603601000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:26.603601000 UTC Epoch Arrival Time: 1759770086.603601000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003161000 seconds] [Time delta from previous displayed frame: 60.001200000 seconds] [Time since reference or first frame: 1410.437008000 seconds] Frame Number: 150533 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xa559 (42329) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xe8fc [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xd0cc [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 228] [Timestamps] [Time since first frame: 1401.694451000 seconds] [Time since previous frame: 1.804723000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc From: ;tag=ede27ff9-24fd-4ee7-b1dc-618f30a6fb3b SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ede27ff9-24fd-4ee7-b1dc-618f30a6fb3b To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 1223e2b5-49e9-4db5-b128-3058e388424f [Generated Call-ID: 1223e2b5-49e9-4db5-b128-3058e388424f] CSeq: 51708 OPTIONS Sequence Number: 51708 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 150534 1410.437232 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 150534: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:26.603825000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:26.603825000 UTC Epoch Arrival Time: 1759770086.603825000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000224000 seconds] [Time delta from previous displayed frame: 0.000224000 seconds] [Time since reference or first frame: 1410.437232000 seconds] Frame Number: 150534 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x887d (34941) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x015c [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x8fb2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 229] [Timestamps] [Time since first frame: 1401.694675000 seconds] [Time since previous frame: 0.000224000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 150533] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc Call-ID: 1223e2b5-49e9-4db5-b128-3058e388424f [Generated Call-ID: 1223e2b5-49e9-4db5-b128-3058e388424f] From: ;tag=ede27ff9-24fd-4ee7-b1dc-618f30a6fb3b SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: ede27ff9-24fd-4ee7-b1dc-618f30a6fb3b To: ;tag=z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjef3840bf-b9e2-42c1-abf2-b872e2c364dc CSeq: 51708 OPTIONS Sequence Number: 51708 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 153742 1440.620738 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 153742: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.787331000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.787331000 UTC Epoch Arrival Time: 1759770116.787331000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000476000 seconds] [Time delta from previous displayed frame: 30.183506000 seconds] [Time since reference or first frame: 1440.620738000 seconds] Frame Number: 153742 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0x8e6c (36460) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xfcab [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0x86aa [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 232] [Timestamps] [Time since first frame: 1431.878181000 seconds] [Time since previous frame: 3.986060000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b Max-Forwards: 70 From: ;tag=16f630c9d84e410f98be045e753772ec SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 16f630c9d84e410f98be045e753772ec To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56639 REGISTER Sequence Number: 56639 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 153744 1440.637962 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 153744: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.804555000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.804555000 UTC Epoch Arrival Time: 1759770116.804555000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000112000 seconds] [Time delta from previous displayed frame: 0.017224000 seconds] [Time since reference or first frame: 1440.637962000 seconds] Frame Number: 153744 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0xe3d1 (58321) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xaa07 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0xcc8c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 233] [Timestamps] [Time since first frame: 1431.895405000 seconds] [Time since previous frame: 0.017224000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 153742] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=16f630c9d84e410f98be045e753772ec SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 16f630c9d84e410f98be045e753772ec To: ;tag=z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjf2b905d0144c4987b5474dca1fdfbf7b CSeq: 56639 REGISTER Sequence Number: 56639 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759772369/2b914fc7564a3617bf7ac3a6be209284",opaque="529ee65606f279e1",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772369/2b914fc7564a3617bf7ac3a6be209284" Opaque Value: "529ee65606f279e1" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 153745 1440.638212 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 153745: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.804805000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.804805000 UTC Epoch Arrival Time: 1759770116.804805000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000250000 seconds] [Time delta from previous displayed frame: 0.000250000 seconds] [Time since reference or first frame: 1440.638212000 seconds] Frame Number: 153745 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0x8e6d (36461) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xfb8c [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x3481 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 234] [Timestamps] [Time since first frame: 1431.895655000 seconds] [Time since previous frame: 0.000250000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 Max-Forwards: 70 From: ;tag=16f630c9d84e410f98be045e753772ec SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 16f630c9d84e410f98be045e753772ec To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56640 REGISTER Sequence Number: 56640 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772369/2b914fc7564a3617bf7ac3a6be209284", uri="sip:172.16.48.3", response="94b56b47a9697f41f165a3fc75058ee7", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772369/2b914fc7564a3617bf7ac3a6be209284" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "94b56b47a9697f41f165a3fc75058ee7" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "529ee65606f279e1" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 153749 1440.680576 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 153749: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.847169000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.847169000 UTC Epoch Arrival Time: 1759770116.847169000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.011419000 seconds] [Time delta from previous displayed frame: 0.042364000 seconds] [Time since reference or first frame: 1440.680576000 seconds] Frame Number: 153749 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0xe3de (58334) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xaa2a [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xabfc [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 235] [Timestamps] [Time since first frame: 1431.938019000 seconds] [Time since previous frame: 0.042364000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 153745] [Response Time (ms): 42] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=16f630c9d84e410f98be045e753772ec SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 16f630c9d84e410f98be045e753772ec To: ;tag=z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj8de426f9711a406ab64e8c3485f1d2a9 CSeq: 56640 REGISTER Sequence Number: 56640 Method: REGISTER Date: Mon, 06 Oct 2025 17:39:29 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 153751 1440.681013 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 153751: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.847606000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.847606000 UTC Epoch Arrival Time: 1759770116.847606000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000437000 seconds] [Time delta from previous displayed frame: 0.000437000 seconds] [Time since reference or first frame: 1440.681013000 seconds] Frame Number: 153751 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x8e70 (36464) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xfbda [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x4c5f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 236] [Timestamps] [Time since first frame: 1431.938456000 seconds] [Time since previous frame: 0.000437000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 Max-Forwards: 70 From: ;tag=4e3451f4e2614d42a9b82efb796dbd18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e3451f4e2614d42a9b82efb796dbd18 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 7ddf2c79075845c2803adbd2247594d9 [Generated Call-ID: 7ddf2c79075845c2803adbd2247594d9] CSeq: 39186 PUBLISH Sequence Number: 39186 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:01:56.847Z Idle No. Time Source Destination Protocol Length Info 153753 1440.692055 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 153753: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.858648000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.858648000 UTC Epoch Arrival Time: 1759770116.858648000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002887000 seconds] [Time delta from previous displayed frame: 0.011042000 seconds] [Time since reference or first frame: 1440.692055000 seconds] Frame Number: 153753 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xe3f2 (58354) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xa9e7 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xfc77 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 237] [Timestamps] [Time since first frame: 1431.949498000 seconds] [Time since previous frame: 0.011042000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 153751] [Response Time (ms): 11] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 Call-ID: 7ddf2c79075845c2803adbd2247594d9 [Generated Call-ID: 7ddf2c79075845c2803adbd2247594d9] From: ;tag=4e3451f4e2614d42a9b82efb796dbd18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e3451f4e2614d42a9b82efb796dbd18 To: ;tag=z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjdc1dfbda40d743a3a4dc207c62ca3e02 CSeq: 39186 PUBLISH Sequence Number: 39186 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772369/2b914fc7564a3617bf7ac3a6be209284",opaque="6c5d5c0245e9c1cf",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772369/2b914fc7564a3617bf7ac3a6be209284" Opaque Value: "6c5d5c0245e9c1cf" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 153754 1440.692375 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 153754: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.858968000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.858968000 UTC Epoch Arrival Time: 1759770116.858968000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000320000 seconds] [Time delta from previous displayed frame: 0.000320000 seconds] [Time since reference or first frame: 1440.692375000 seconds] Frame Number: 153754 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x8e72 (36466) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xfab5 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0xf77e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 238] [Timestamps] [Time since first frame: 1431.949818000 seconds] [Time since previous frame: 0.000320000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj2387085e594e4e269f7137c28f335195 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj2387085e594e4e269f7137c28f335195 Max-Forwards: 70 From: ;tag=4e3451f4e2614d42a9b82efb796dbd18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e3451f4e2614d42a9b82efb796dbd18 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 7ddf2c79075845c2803adbd2247594d9 [Generated Call-ID: 7ddf2c79075845c2803adbd2247594d9] CSeq: 39187 PUBLISH Sequence Number: 39187 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772369/2b914fc7564a3617bf7ac3a6be209284", uri="sip:1606@172.16.48.3", response="880395f3282b5e06f18eba24ad1c168e", algorithm=MD5, cnonce="8a39ffa3282b4863860aeccab60 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772369/2b914fc7564a3617bf7ac3a6be209284" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "880395f3282b5e06f18eba24ad1c168e" Algorithm: MD5 CNonce Value: "8a39ffa3282b4863860aeccab60a1f10" Opaque Value: "6c5d5c0245e9c1cf" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:01:56.847Z Idle No. Time Source Destination Protocol Length Info 153756 1440.704613 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 153756: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:01:56.871206000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:01:56.871206000 UTC Epoch Arrival Time: 1759770116.871206000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005399000 seconds] [Time delta from previous displayed frame: 0.012238000 seconds] [Time since reference or first frame: 1440.704613000 seconds] Frame Number: 153756 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xe3f4 (58356) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xaa7a [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0xd40d [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 239] [Timestamps] [Time since first frame: 1431.962056000 seconds] [Time since previous frame: 0.012238000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 153754] [Response Time (ms): 12] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj2387085e594e4e269f7137c28f335195 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj2387085e594e4e269f7137c28f335195 Call-ID: 7ddf2c79075845c2803adbd2247594d9 [Generated Call-ID: 7ddf2c79075845c2803adbd2247594d9] From: ;tag=4e3451f4e2614d42a9b82efb796dbd18 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4e3451f4e2614d42a9b82efb796dbd18 To: ;tag=z9hG4bKPj2387085e594e4e269f7137c28f335195 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj2387085e594e4e269f7137c28f335195 CSeq: 39187 PUBLISH Sequence Number: 39187 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 156947 1470.438615 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 156947: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:02:26.605208000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:02:26.605208000 UTC Epoch Arrival Time: 1759770146.605208000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 29.734002000 seconds] [Time since reference or first frame: 1470.438615000 seconds] Frame Number: 156947 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x1f86 (8070) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x6ed0 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x2b2f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 242] [Timestamps] [Time since first frame: 1461.696058000 seconds] [Time since previous frame: 4.755975000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 From: ;tag=93f589ef-a4a4-49cb-8fb5-08588bf6d4d5 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93f589ef-a4a4-49cb-8fb5-08588bf6d4d5 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: afc29058-2472-4b79-9f0b-f09c3e70bd6a [Generated Call-ID: afc29058-2472-4b79-9f0b-f09c3e70bd6a] CSeq: 57517 OPTIONS Sequence Number: 57517 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 156948 1470.438908 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 156948: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:02:26.605501000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:02:26.605501000 UTC Epoch Arrival Time: 1759770146.605501000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000293000 seconds] [Time delta from previous displayed frame: 0.000293000 seconds] [Time since reference or first frame: 1470.438908000 seconds] Frame Number: 156948 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x944b (37963) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xf58d [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xd108 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 243] [Timestamps] [Time since first frame: 1461.696351000 seconds] [Time since previous frame: 0.000293000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 156947] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 Call-ID: afc29058-2472-4b79-9f0b-f09c3e70bd6a [Generated Call-ID: afc29058-2472-4b79-9f0b-f09c3e70bd6a] From: ;tag=93f589ef-a4a4-49cb-8fb5-08588bf6d4d5 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 93f589ef-a4a4-49cb-8fb5-08588bf6d4d5 To: ;tag=z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPje0a8697d-18f0-4aca-b0fd-b50f3ebaa064 CSeq: 57517 OPTIONS Sequence Number: 57517 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 163328 1530.439262 172.16.48.3 192.168.16.251 SIP 493 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 163328: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:03:26.605855000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:03:26.605855000 UTC Epoch Arrival Time: 1759770206.605855000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.010258000 seconds] [Time delta from previous displayed frame: 60.000354000 seconds] [Time since reference or first frame: 1530.439262000 seconds] Frame Number: 163328 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0x999b (39323) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf4bb [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0xcd62 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 248] [Timestamps] [Time since first frame: 1521.696705000 seconds] [Time since previous frame: 13.755791000 seconds] UDP payload (451 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c From: ;tag=4d6b8e05-7bfe-4e64-9940-3c9f9bd7e7f4 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4d6b8e05-7bfe-4e64-9940-3c9f9bd7e7f4 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: b7afdb67-2aed-446f-9a34-25669255f2bb [Generated Call-ID: b7afdb67-2aed-446f-9a34-25669255f2bb] CSeq: 4119 OPTIONS Sequence Number: 4119 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 163329 1530.439517 192.168.16.251 172.16.48.3 SIP 874 Status: 200 OK (OPTIONS) | Frame 163329: 874 bytes on wire (6992 bits), 874 bytes captured (6992 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:03:26.606110000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:03:26.606110000 UTC Epoch Arrival Time: 1759770206.606110000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000255000 seconds] [Time delta from previous displayed frame: 0.000255000 seconds] [Time since reference or first frame: 1530.439517000 seconds] Frame Number: 163329 Frame Length: 874 bytes (6992 bits) Capture Length: 874 bytes (6992 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 860 Identification: 0xa014 (40980) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe9c5 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 840 Checksum: 0x4437 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 249] [Timestamps] [Time since first frame: 1521.696960000 seconds] [Time since previous frame: 0.000255000 seconds] UDP payload (832 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 163328] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c Call-ID: b7afdb67-2aed-446f-9a34-25669255f2bb [Generated Call-ID: b7afdb67-2aed-446f-9a34-25669255f2bb] From: ;tag=4d6b8e05-7bfe-4e64-9940-3c9f9bd7e7f4 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4d6b8e05-7bfe-4e64-9940-3c9f9bd7e7f4 To: ;tag=z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj606731c5-622f-4591-99d1-5564402b2c8c CSeq: 4119 OPTIONS Sequence Number: 4119 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 168561 1579.341316 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 168561: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:15.507909000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:15.507909000 UTC Epoch Arrival Time: 1759770255.507909000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002016000 seconds] [Time delta from previous displayed frame: 48.901799000 seconds] [Time since reference or first frame: 1579.341316000 seconds] Frame Number: 168561 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xa9b2 (43442) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xe098 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x6940 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 254] [Timestamps] [Time since first frame: 1570.598759000 seconds] [Time since previous frame: 9.653790000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 Max-Forwards: 70 From: ;tag=384744561b3d4b33919bdb48a2831c96 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 384744561b3d4b33919bdb48a2831c96 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c9d17d27d81c442a9f5a933df91d9ffc [Generated Call-ID: c9d17d27d81c442a9f5a933df91d9ffc] CSeq: 40871 PUBLISH Sequence Number: 40871 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:04:15.506Z Idle No. Time Source Destination Protocol Length Info 168565 1579.361923 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 168565: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:15.528516000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:15.528516000 UTC Epoch Arrival Time: 1759770255.528516000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.002287000 seconds] [Time delta from previous displayed frame: 0.020607000 seconds] [Time since reference or first frame: 1579.361923000 seconds] Frame Number: 168565 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xfdbb (64955) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x901e [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xa596 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 255] [Timestamps] [Time since first frame: 1570.619366000 seconds] [Time since previous frame: 0.020607000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 168561] [Response Time (ms): 20] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 Call-ID: c9d17d27d81c442a9f5a933df91d9ffc [Generated Call-ID: c9d17d27d81c442a9f5a933df91d9ffc] From: ;tag=384744561b3d4b33919bdb48a2831c96 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 384744561b3d4b33919bdb48a2831c96 To: ;tag=z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjd99469d3710f4c94a08d7b3e3d016186 CSeq: 40871 PUBLISH Sequence Number: 40871 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772508/74bcdeb7ffbe447c5fcfdabc4e250920",opaque="5eb19ede36584bdf",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772508/74bcdeb7ffbe447c5fcfdabc4e250920" Opaque Value: "5eb19ede36584bdf" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 168566 1579.362337 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 168566: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:15.528930000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:15.528930000 UTC Epoch Arrival Time: 1759770255.528930000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000414000 seconds] [Time delta from previous displayed frame: 0.000414000 seconds] [Time since reference or first frame: 1579.362337000 seconds] Frame Number: 168566 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xa9b4 (43444) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xdf73 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x214e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 256] [Timestamps] [Time since first frame: 1570.619780000 seconds] [Time since previous frame: 0.000414000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 Max-Forwards: 70 From: ;tag=384744561b3d4b33919bdb48a2831c96 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 384744561b3d4b33919bdb48a2831c96 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c9d17d27d81c442a9f5a933df91d9ffc [Generated Call-ID: c9d17d27d81c442a9f5a933df91d9ffc] CSeq: 40872 PUBLISH Sequence Number: 40872 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772508/74bcdeb7ffbe447c5fcfdabc4e250920", uri="sip:1606@172.16.48.3", response="de8020a2793c90a7eee9acd37cec19b5", algorithm=MD5, cnonce="583f882bf8534f0da835b9f152a Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772508/74bcdeb7ffbe447c5fcfdabc4e250920" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "de8020a2793c90a7eee9acd37cec19b5" Algorithm: MD5 CNonce Value: "583f882bf8534f0da835b9f152aff667" Opaque Value: "5eb19ede36584bdf" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:04:15.506Z Idle No. Time Source Destination Protocol Length Info 168569 1579.377144 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 168569: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:15.543737000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:15.543737000 UTC Epoch Arrival Time: 1759770255.543737000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001242000 seconds] [Time delta from previous displayed frame: 0.014807000 seconds] [Time since reference or first frame: 1579.377144000 seconds] Frame Number: 168569 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xfdc7 (64967) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x90a7 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x4df0 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 257] [Timestamps] [Time since first frame: 1570.634587000 seconds] [Time since previous frame: 0.014807000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 168566] [Response Time (ms): 14] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 Call-ID: c9d17d27d81c442a9f5a933df91d9ffc [Generated Call-ID: c9d17d27d81c442a9f5a933df91d9ffc] From: ;tag=384744561b3d4b33919bdb48a2831c96 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 384744561b3d4b33919bdb48a2831c96 To: ;tag=z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj4a23249f04fc44a1a59d9a10157cef88 CSeq: 40872 PUBLISH Sequence Number: 40872 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 169758 1590.426740 172.16.48.3 192.168.16.251 SIP 493 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 169758: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:26.593333000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:26.593333000 UTC Epoch Arrival Time: 1759770266.593333000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007342000 seconds] [Time delta from previous displayed frame: 11.049596000 seconds] [Time since reference or first frame: 1590.426740000 seconds] Frame Number: 169758 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0x13d1 (5073) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x7a86 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0x9e0a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 259] [Timestamps] [Time since first frame: 1581.684183000 seconds] [Time since previous frame: 7.738421000 seconds] UDP payload (451 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 From: ;tag=fe42b2e4-af56-4cdf-9eee-b1b07b1216ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fe42b2e4-af56-4cdf-9eee-b1b07b1216ef To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 7b2d8de9-2e4d-4092-ad6f-1e9482fdf056 [Generated Call-ID: 7b2d8de9-2e4d-4092-ad6f-1e9482fdf056] CSeq: 1402 OPTIONS Sequence Number: 1402 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 169760 1590.426950 192.168.16.251 172.16.48.3 SIP 874 Status: 200 OK (OPTIONS) | Frame 169760: 874 bytes on wire (6992 bits), 874 bytes captured (6992 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:04:26.593543000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:04:26.593543000 UTC Epoch Arrival Time: 1759770266.593543000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000210000 seconds] [Time delta from previous displayed frame: 0.000210000 seconds] [Time since reference or first frame: 1590.426950000 seconds] Frame Number: 169760 Frame Length: 874 bytes (6992 bits) Capture Length: 874 bytes (6992 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 860 Identification: 0xabe1 (44001) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xddf8 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 840 Checksum: 0x2eda [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 260] [Timestamps] [Time since first frame: 1581.684393000 seconds] [Time since previous frame: 0.000210000 seconds] UDP payload (832 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 169758] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 Call-ID: 7b2d8de9-2e4d-4092-ad6f-1e9482fdf056 [Generated Call-ID: 7b2d8de9-2e4d-4092-ad6f-1e9482fdf056] From: ;tag=fe42b2e4-af56-4cdf-9eee-b1b07b1216ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: fe42b2e4-af56-4cdf-9eee-b1b07b1216ef To: ;tag=z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj82928e8b-2a56-46da-85c5-d7aac1552a03 CSeq: 1402 OPTIONS Sequence Number: 1402 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 176394 1650.419832 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 176394: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:05:26.586425000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:05:26.586425000 UTC Epoch Arrival Time: 1759770326.586425000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000854000 seconds] [Time delta from previous displayed frame: 59.992882000 seconds] [Time since reference or first frame: 1650.419832000 seconds] Frame Number: 176394 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x8e2d (36397) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x0029 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x6d4e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 266] [Timestamps] [Time since first frame: 1641.677275000 seconds] [Time since previous frame: 2.726606000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e From: ;tag=0ba50842-f3f5-47ba-b09f-217b9cbe3323 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 0ba50842-f3f5-47ba-b09f-217b9cbe3323 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 036b0592-9596-4871-ae6e-61e939b3b610 [Generated Call-ID: 036b0592-9596-4871-ae6e-61e939b3b610] CSeq: 40741 OPTIONS Sequence Number: 40741 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 176396 1650.420182 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 176396: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:05:26.586775000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:05:26.586775000 UTC Epoch Arrival Time: 1759770326.586775000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000350000 seconds] [Time delta from previous displayed frame: 0.000350000 seconds] [Time since reference or first frame: 1650.420182000 seconds] Frame Number: 176396 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xb7ac (47020) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xd22c [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xdc6e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 267] [Timestamps] [Time since first frame: 1641.677625000 seconds] [Time since previous frame: 0.000350000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 176394] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e Call-ID: 036b0592-9596-4871-ae6e-61e939b3b610 [Generated Call-ID: 036b0592-9596-4871-ae6e-61e939b3b610] From: ;tag=0ba50842-f3f5-47ba-b09f-217b9cbe3323 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 0ba50842-f3f5-47ba-b09f-217b9cbe3323 To: ;tag=z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjae4d7c3d-efd0-480f-884d-20dc5ed7686e CSeq: 40741 OPTIONS Sequence Number: 40741 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 182865 1710.398325 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 182865: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:26.564918000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:26.564918000 UTC Epoch Arrival Time: 1759770386.564918000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000089000 seconds] [Time delta from previous displayed frame: 59.978143000 seconds] [Time since reference or first frame: 1710.398325000 seconds] Frame Number: 182865 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x0a35 (2613) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x8421 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x8485 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 272] [Timestamps] [Time since first frame: 1701.655768000 seconds] [Time since previous frame: 9.703907000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 From: ;tag=39e222b0-9dea-44eb-8e9d-5a545eebea3f SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 39e222b0-9dea-44eb-8e9d-5a545eebea3f To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: ab53719f-6ac6-415a-8298-cf01fa6fca29 [Generated Call-ID: ab53719f-6ac6-415a-8298-cf01fa6fca29] CSeq: 12837 OPTIONS Sequence Number: 12837 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 182866 1710.398588 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 182866: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:26.565181000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:26.565181000 UTC Epoch Arrival Time: 1759770386.565181000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000263000 seconds] [Time delta from previous displayed frame: 0.000263000 seconds] [Time since reference or first frame: 1710.398588000 seconds] Frame Number: 182866 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xc374 (50036) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc664 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xac2b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 273] [Timestamps] [Time since first frame: 1701.656031000 seconds] [Time since previous frame: 0.000263000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 182865] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 Call-ID: ab53719f-6ac6-415a-8298-cf01fa6fca29 [Generated Call-ID: ab53719f-6ac6-415a-8298-cf01fa6fca29] From: ;tag=39e222b0-9dea-44eb-8e9d-5a545eebea3f SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 39e222b0-9dea-44eb-8e9d-5a545eebea3f To: ;tag=z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj899aa10d-83e4-48fc-b3a2-fc4e7a90e1f0 CSeq: 12837 OPTIONS Sequence Number: 12837 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 185457 1734.681289 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 185457: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.847882000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.847882000 UTC Epoch Arrival Time: 1759770410.847882000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005039000 seconds] [Time delta from previous displayed frame: 24.282701000 seconds] [Time since reference or first frame: 1734.681289000 seconds] Frame Number: 185457 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0xc83a (51258) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc2dd [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0x75bc [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 276] [Timestamps] [Time since first frame: 1725.938732000 seconds] [Time since previous frame: 9.985982000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e Max-Forwards: 70 From: ;tag=03e6b9d162d9410e85b43d7d320e1e5d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 03e6b9d162d9410e85b43d7d320e1e5d To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56641 REGISTER Sequence Number: 56641 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 185460 1734.697271 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 185460: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.863864000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.863864000 UTC Epoch Arrival Time: 1759770410.863864000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006246000 seconds] [Time delta from previous displayed frame: 0.015982000 seconds] [Time since reference or first frame: 1734.697271000 seconds] Frame Number: 185460 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0x3c29 (15401) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x51b0 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0x998a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 277] [Timestamps] [Time since first frame: 1725.954714000 seconds] [Time since previous frame: 0.015982000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 185457] [Response Time (ms): 15] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=03e6b9d162d9410e85b43d7d320e1e5d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 03e6b9d162d9410e85b43d7d320e1e5d To: ;tag=z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj95f141cb85b64f9a8479b6fb66cc9d6e CSeq: 56641 REGISTER Sequence Number: 56641 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759772663/6614b5a0dd81f1f268c81c7a9da7b4df",opaque="30439c205e5356f0",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772663/6614b5a0dd81f1f268c81c7a9da7b4df" Opaque Value: "30439c205e5356f0" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 185461 1734.697582 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 185461: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.864175000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.864175000 UTC Epoch Arrival Time: 1759770410.864175000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000311000 seconds] [Time delta from previous displayed frame: 0.000311000 seconds] [Time since reference or first frame: 1734.697582000 seconds] Frame Number: 185461 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0xc83c (51260) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc1bd [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0x50c4 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 278] [Timestamps] [Time since first frame: 1725.955025000 seconds] [Time since previous frame: 0.000311000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 Max-Forwards: 70 From: ;tag=03e6b9d162d9410e85b43d7d320e1e5d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 03e6b9d162d9410e85b43d7d320e1e5d To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56642 REGISTER Sequence Number: 56642 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772663/6614b5a0dd81f1f268c81c7a9da7b4df", uri="sip:172.16.48.3", response="e1d7f2733e7b4470f65e666c5d34b566", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772663/6614b5a0dd81f1f268c81c7a9da7b4df" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "e1d7f2733e7b4470f65e666c5d34b566" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "30439c205e5356f0" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 185465 1734.724043 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 185465: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.890636000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.890636000 UTC Epoch Arrival Time: 1759770410.890636000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005435000 seconds] [Time delta from previous displayed frame: 0.026461000 seconds] [Time since reference or first frame: 1734.724043000 seconds] Frame Number: 185465 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0x3c33 (15411) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x51d6 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0x5fb4 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 279] [Timestamps] [Time since first frame: 1725.981486000 seconds] [Time since previous frame: 0.026461000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 185461] [Response Time (ms): 26] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=03e6b9d162d9410e85b43d7d320e1e5d SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 03e6b9d162d9410e85b43d7d320e1e5d To: ;tag=z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPja99ef72fef2c4d64b6616732c8d4f267 CSeq: 56642 REGISTER Sequence Number: 56642 Method: REGISTER Date: Mon, 06 Oct 2025 17:44:23 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 185466 1734.724387 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 185466: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.890980000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.890980000 UTC Epoch Arrival Time: 1759770410.890980000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000344000 seconds] [Time delta from previous displayed frame: 0.000344000 seconds] [Time since reference or first frame: 1734.724387000 seconds] Frame Number: 185466 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0xc83f (51263) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc20b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0xe970 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 280] [Timestamps] [Time since first frame: 1725.981830000 seconds] [Time since previous frame: 0.000344000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a Max-Forwards: 70 From: ;tag=5b0811105b8a42fa928142184818a274 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5b0811105b8a42fa928142184818a274 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: aa8dde638d1f4d66bb17b252662949b1 [Generated Call-ID: aa8dde638d1f4d66bb17b252662949b1] CSeq: 46617 PUBLISH Sequence Number: 46617 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:06:50.890Z Idle No. Time Source Destination Protocol Length Info 185468 1734.733840 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 185468: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.900433000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.900433000 UTC Epoch Arrival Time: 1759770410.900433000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005171000 seconds] [Time delta from previous displayed frame: 0.009453000 seconds] [Time since reference or first frame: 1734.733840000 seconds] Frame Number: 185468 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0x3c36 (15414) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x51a4 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0x4b35 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 281] [Timestamps] [Time since first frame: 1725.991283000 seconds] [Time since previous frame: 0.009453000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 185466] [Response Time (ms): 9] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a Call-ID: aa8dde638d1f4d66bb17b252662949b1 [Generated Call-ID: aa8dde638d1f4d66bb17b252662949b1] From: ;tag=5b0811105b8a42fa928142184818a274 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5b0811105b8a42fa928142184818a274 To: ;tag=z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj2d9b11a9eed848b1a55310075c21fd1a CSeq: 46617 PUBLISH Sequence Number: 46617 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772663/6614b5a0dd81f1f268c81c7a9da7b4df",opaque="5a5d786e0e25f682",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772663/6614b5a0dd81f1f268c81c7a9da7b4df" Opaque Value: "5a5d786e0e25f682" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 185469 1734.734123 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 185469: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.900716000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.900716000 UTC Epoch Arrival Time: 1759770410.900716000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000283000 seconds] [Time delta from previous displayed frame: 0.000283000 seconds] [Time since reference or first frame: 1734.734123000 seconds] Frame Number: 185469 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0xc840 (51264) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xc0e7 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x7276 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 282] [Timestamps] [Time since first frame: 1725.991566000 seconds] [Time since previous frame: 0.000283000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb Max-Forwards: 70 From: ;tag=5b0811105b8a42fa928142184818a274 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5b0811105b8a42fa928142184818a274 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: aa8dde638d1f4d66bb17b252662949b1 [Generated Call-ID: aa8dde638d1f4d66bb17b252662949b1] CSeq: 46618 PUBLISH Sequence Number: 46618 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772663/6614b5a0dd81f1f268c81c7a9da7b4df", uri="sip:1606@172.16.48.3", response="a79b5508098f59487c9fab92fd18d63f", algorithm=MD5, cnonce="7fae0ac1c1f64ee4b78ce1cfbfd Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772663/6614b5a0dd81f1f268c81c7a9da7b4df" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "a79b5508098f59487c9fab92fd18d63f" Algorithm: MD5 CNonce Value: "7fae0ac1c1f64ee4b78ce1cfbfda0e0b" Opaque Value: "5a5d786e0e25f682" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:06:50.890Z Idle No. Time Source Destination Protocol Length Info 185471 1734.745909 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 185471: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:06:50.912502000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:06:50.912502000 UTC Epoch Arrival Time: 1759770410.912502000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.007098000 seconds] [Time delta from previous displayed frame: 0.011786000 seconds] [Time since reference or first frame: 1734.745909000 seconds] Frame Number: 185471 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0x3c3a (15418) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x5235 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x9c69 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 283] [Timestamps] [Time since first frame: 1726.003352000 seconds] [Time since previous frame: 0.011786000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 185469] [Response Time (ms): 11] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb Call-ID: aa8dde638d1f4d66bb17b252662949b1 [Generated Call-ID: aa8dde638d1f4d66bb17b252662949b1] From: ;tag=5b0811105b8a42fa928142184818a274 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5b0811105b8a42fa928142184818a274 To: ;tag=z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj09075d8c18a94d4f80df4a4630b866eb CSeq: 46618 PUBLISH Sequence Number: 46618 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 189250 1770.386726 172.16.48.3 192.168.16.251 SIP 493 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 189250: 493 bytes on wire (3944 bits), 493 bytes captured (3944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:07:26.553319000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:07:26.553319000 UTC Epoch Arrival Time: 1759770446.553319000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.008170000 seconds] [Time delta from previous displayed frame: 35.640817000 seconds] [Time since reference or first frame: 1770.386726000 seconds] Frame Number: 189250 Frame Length: 493 bytes (3944 bits) Capture Length: 493 bytes (3944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 479 Identification: 0x83c3 (33731) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x0a94 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 459 Checksum: 0x877b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 286] [Timestamps] [Time since first frame: 1761.644169000 seconds] [Time since previous frame: 9.661473000 seconds] UDP payload (451 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 From: ;tag=a2c4aac9-1429-44a4-b960-e6785d46b924 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a2c4aac9-1429-44a4-b960-e6785d46b924 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: d9a89fd5-9570-4782-8aaf-88a342ba2b4f [Generated Call-ID: d9a89fd5-9570-4782-8aaf-88a342ba2b4f] CSeq: 9920 OPTIONS Sequence Number: 9920 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 189251 1770.386940 192.168.16.251 172.16.48.3 SIP 874 Status: 200 OK (OPTIONS) | Frame 189251: 874 bytes on wire (6992 bits), 874 bytes captured (6992 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:07:26.553533000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:07:26.553533000 UTC Epoch Arrival Time: 1759770446.553533000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000214000 seconds] [Time delta from previous displayed frame: 0.000214000 seconds] [Time since reference or first frame: 1770.386940000 seconds] Frame Number: 189251 Frame Length: 874 bytes (6992 bits) Capture Length: 874 bytes (6992 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 860 Identification: 0xcf42 (53058) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xba97 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 840 Checksum: 0x193b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 287] [Timestamps] [Time since first frame: 1761.644383000 seconds] [Time since previous frame: 0.000214000 seconds] UDP payload (832 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 189250] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 Call-ID: d9a89fd5-9570-4782-8aaf-88a342ba2b4f [Generated Call-ID: d9a89fd5-9570-4782-8aaf-88a342ba2b4f] From: ;tag=a2c4aac9-1429-44a4-b960-e6785d46b924 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: a2c4aac9-1429-44a4-b960-e6785d46b924 To: ;tag=z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjf17c9ea8-9549-42ce-a5a5-64cc5f234094 CSeq: 9920 OPTIONS Sequence Number: 9920 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 195632 1830.375230 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 195632: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:08:26.541823000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:08:26.541823000 UTC Epoch Arrival Time: 1759770506.541823000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.011190000 seconds] [Time delta from previous displayed frame: 59.988290000 seconds] [Time since reference or first frame: 1830.375230000 seconds] Frame Number: 195632 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xffa5 (65445) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x8eb0 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x957d [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 293] [Timestamps] [Time since first frame: 1821.632673000 seconds] [Time since previous frame: 5.644498000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 From: ;tag=9d6b8133-1484-4c0a-8144-79e1c803cbb8 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9d6b8133-1484-4c0a-8144-79e1c803cbb8 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: c2deb00d-259d-41bc-8231-8018e97c7c68 [Generated Call-ID: c2deb00d-259d-41bc-8231-8018e97c7c68] CSeq: 53703 OPTIONS Sequence Number: 53703 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 195633 1830.375443 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 195633: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:08:26.542036000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:08:26.542036000 UTC Epoch Arrival Time: 1759770506.542036000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000213000 seconds] [Time delta from previous displayed frame: 0.000213000 seconds] [Time since reference or first frame: 1830.375443000 seconds] Frame Number: 195633 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xdb0b (56075) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xaecd [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xd25c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 294] [Timestamps] [Time since first frame: 1821.632886000 seconds] [Time since previous frame: 0.000213000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 195632] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 Call-ID: c2deb00d-259d-41bc-8231-8018e97c7c68 [Generated Call-ID: c2deb00d-259d-41bc-8231-8018e97c7c68] From: ;tag=9d6b8133-1484-4c0a-8144-79e1c803cbb8 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9d6b8133-1484-4c0a-8144-79e1c803cbb8 To: ;tag=z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj9f4b60de-2765-4258-946c-af447fb6ecc3 CSeq: 53703 OPTIONS Sequence Number: 53703 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 197085 1843.962250 192.168.16.251 172.16.48.3 SIP 554 Request: UPDATE sip:172.16.48.3:5060 | Frame 197085: 554 bytes on wire (4432 bits), 554 bytes captured (4432 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:08:40.128843000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:08:40.128843000 UTC Epoch Arrival Time: 1759770520.128843000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003826000 seconds] [Time delta from previous displayed frame: 13.586807000 seconds] [Time since reference or first frame: 1843.962250000 seconds] Frame Number: 197085 Frame Length: 554 bytes (4432 bits) Capture Length: 554 bytes (4432 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 540 Identification: 0xddb8 (56760) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xad61 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 520 Checksum: 0xabd3 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 296] [Timestamps] [Time since first frame: 1835.219693000 seconds] [Time since previous frame: 5.231082000 seconds] UDP payload (512 bytes) Session Initiation Protocol (UPDATE) Request-Line: UPDATE sip:172.16.48.3:5060 SIP/2.0 Method: UPDATE Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj43f51a118ea449cfa91ae40e7bbf9d90 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj43f51a118ea449cfa91ae40e7bbf9d90 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25535 UPDATE Sequence Number: 25535 Method: UPDATE Supported: replaces, 100rel, timer, norefersub Session-Expires: 1800;refresher=uac Min-SE: 90 Content-Length: 0 No. Time Source Destination Protocol Length Info 197087 1843.978015 172.16.48.3 192.168.16.251 SIP 707 Status: 200 OK (UPDATE) | Frame 197087: 707 bytes on wire (5656 bits), 707 bytes captured (5656 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:08:40.144608000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:08:40.144608000 UTC Epoch Arrival Time: 1759770520.144608000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000000000 seconds] [Time delta from previous displayed frame: 0.015765000 seconds] [Time since reference or first frame: 1843.978015000 seconds] Frame Number: 197087 Frame Length: 707 bytes (5656 bits) Capture Length: 707 bytes (5656 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 693 Identification: 0x1b8d (7053) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x71f4 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 673 Checksum: 0x26b8 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 297] [Timestamps] [Time since first frame: 1835.235458000 seconds] [Time since previous frame: 0.015765000 seconds] UDP payload (665 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 197085] [Response Time (ms): 15] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj43f51a118ea449cfa91ae40e7bbf9d90 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj43f51a118ea449cfa91ae40e7bbf9d90 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25535 UPDATE Sequence Number: 25535 Method: UPDATE Session-Expires: 1800;refresher=uac Require: timer Contact: Contact URI: sip:172.16.48.3:5060 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, INFO, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 200833 1879.343591 192.168.16.251 172.16.48.3 SIP/XML 760 Request: PUBLISH sip:1606@172.16.48.3 | Frame 200833: 760 bytes on wire (6080 bits), 760 bytes captured (6080 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:15.510184000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:15.510184000 UTC Epoch Arrival Time: 1759770555.510184000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001752000 seconds] [Time delta from previous displayed frame: 35.365576000 seconds] [Time since reference or first frame: 1879.343591000 seconds] Frame Number: 200833 Frame Length: 760 bytes (6080 bits) Capture Length: 760 bytes (6080 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 746 Identification: 0xe4ac (58540) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa59f [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 726 Checksum: 0x0659 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 301] [Timestamps] [Time since first frame: 1870.601034000 seconds] [Time since previous frame: 3.608790000 seconds] UDP payload (718 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjaeada58934ce4c67b37d41c26168452b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjaeada58934ce4c67b37d41c26168452b Max-Forwards: 70 From: ;tag=53c9a513e39448b6815c6fc58390a741 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 53c9a513e39448b6815c6fc58390a741 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 0ff5eeeff5bf41079f113f947b56d786 [Generated Call-ID: 0ff5eeeff5bf41079f113f947b56d786] CSeq: 9963 PUBLISH Sequence Number: 9963 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:09:15.509Z Idle No. Time Source Destination Protocol Length Info 200835 1879.360944 172.16.48.3 192.168.16.251 SIP 617 Status: 401 Unauthorized | Frame 200835: 617 bytes on wire (4936 bits), 617 bytes captured (4936 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:15.527537000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:15.527537000 UTC Epoch Arrival Time: 1759770555.527537000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.012966000 seconds] [Time delta from previous displayed frame: 0.017353000 seconds] [Time since reference or first frame: 1879.360944000 seconds] Frame Number: 200835 Frame Length: 617 bytes (4936 bits) Capture Length: 617 bytes (4936 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 603 Identification: 0x6492 (25746) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2949 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 583 Checksum: 0x2e3a [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 302] [Timestamps] [Time since first frame: 1870.618387000 seconds] [Time since previous frame: 0.017353000 seconds] UDP payload (575 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 200833] [Response Time (ms): 17] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjaeada58934ce4c67b37d41c26168452b Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjaeada58934ce4c67b37d41c26168452b Call-ID: 0ff5eeeff5bf41079f113f947b56d786 [Generated Call-ID: 0ff5eeeff5bf41079f113f947b56d786] From: ;tag=53c9a513e39448b6815c6fc58390a741 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 53c9a513e39448b6815c6fc58390a741 To: ;tag=z9hG4bKPjaeada58934ce4c67b37d41c26168452b SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjaeada58934ce4c67b37d41c26168452b CSeq: 9963 PUBLISH Sequence Number: 9963 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772808/88f38f14b1c8361b9f519a110c80a71f",opaque="1278d59a09b4aad9",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772808/88f38f14b1c8361b9f519a110c80a71f" Opaque Value: "1278d59a09b4aad9" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 200836 1879.361307 192.168.16.251 172.16.48.3 SIP/XML 1051 Request: PUBLISH sip:1606@172.16.48.3 | Frame 200836: 1051 bytes on wire (8408 bits), 1051 bytes captured (8408 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:15.527900000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:15.527900000 UTC Epoch Arrival Time: 1759770555.527900000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000363000 seconds] [Time delta from previous displayed frame: 0.000363000 seconds] [Time since reference or first frame: 1879.361307000 seconds] Frame Number: 200836 Frame Length: 1051 bytes (8408 bits) Capture Length: 1051 bytes (8408 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1037 Identification: 0xe4ae (58542) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa47a [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1017 Checksum: 0x4922 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 303] [Timestamps] [Time since first frame: 1870.618750000 seconds] [Time since previous frame: 0.000363000 seconds] UDP payload (1009 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 Max-Forwards: 70 From: ;tag=53c9a513e39448b6815c6fc58390a741 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 53c9a513e39448b6815c6fc58390a741 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 0ff5eeeff5bf41079f113f947b56d786 [Generated Call-ID: 0ff5eeeff5bf41079f113f947b56d786] CSeq: 9964 PUBLISH Sequence Number: 9964 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772808/88f38f14b1c8361b9f519a110c80a71f", uri="sip:1606@172.16.48.3", response="78b7d1b383a9cec995586a6b86bdfc14", algorithm=MD5, cnonce="966ddeac834f4ce8b4430669a10 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772808/88f38f14b1c8361b9f519a110c80a71f" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "78b7d1b383a9cec995586a6b86bdfc14" Algorithm: MD5 CNonce Value: "966ddeac834f4ce8b4430669a109d5d7" Opaque Value: "1278d59a09b4aad9" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:09:15.509Z Idle No. Time Source Destination Protocol Length Info 200839 1879.377788 172.16.48.3 192.168.16.251 SIP 468 Status: 489 Bad Event | Frame 200839: 468 bytes on wire (3744 bits), 468 bytes captured (3744 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:15.544381000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:15.544381000 UTC Epoch Arrival Time: 1759770555.544381000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004890000 seconds] [Time delta from previous displayed frame: 0.016481000 seconds] [Time since reference or first frame: 1879.377788000 seconds] Frame Number: 200839 Frame Length: 468 bytes (3744 bits) Capture Length: 468 bytes (3744 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 454 Identification: 0x64a2 (25762) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x29ce [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 434 Checksum: 0x20df [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 304] [Timestamps] [Time since first frame: 1870.635231000 seconds] [Time since previous frame: 0.016481000 seconds] UDP payload (426 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 200836] [Response Time (ms): 16] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 Call-ID: 0ff5eeeff5bf41079f113f947b56d786 [Generated Call-ID: 0ff5eeeff5bf41079f113f947b56d786] From: ;tag=53c9a513e39448b6815c6fc58390a741 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 53c9a513e39448b6815c6fc58390a741 To: ;tag=z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj9b42dd946a3c4aa195f5af7297e929c7 CSeq: 9964 PUBLISH Sequence Number: 9964 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 202256 1890.369152 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 202256: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:26.535745000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:26.535745000 UTC Epoch Arrival Time: 1759770566.535745000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000044000 seconds] [Time delta from previous displayed frame: 10.991364000 seconds] [Time since reference or first frame: 1890.369152000 seconds] Frame Number: 202256 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x7b64 (31588) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x12f2 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x2fdf [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 306] [Timestamps] [Time since first frame: 1881.626595000 seconds] [Time since previous frame: 2.633406000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 From: ;tag=66519550-94c5-4baf-92ef-9b4c0b2d80be SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66519550-94c5-4baf-92ef-9b4c0b2d80be To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: df2214a2-980f-4497-b9d0-7242517342dc [Generated Call-ID: df2214a2-980f-4497-b9d0-7242517342dc] CSeq: 47175 OPTIONS Sequence Number: 47175 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 202257 1890.369391 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 202257: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:09:26.535984000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:09:26.535984000 UTC Epoch Arrival Time: 1759770566.535984000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000239000 seconds] [Time delta from previous displayed frame: 0.000239000 seconds] [Time since reference or first frame: 1890.369391000 seconds] Frame Number: 202257 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xe6d9 (59097) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0xa2ff [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x3af6 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 307] [Timestamps] [Time since first frame: 1881.626834000 seconds] [Time since previous frame: 0.000239000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 202256] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 Call-ID: df2214a2-980f-4497-b9d0-7242517342dc [Generated Call-ID: df2214a2-980f-4497-b9d0-7242517342dc] From: ;tag=66519550-94c5-4baf-92ef-9b4c0b2d80be SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 66519550-94c5-4baf-92ef-9b4c0b2d80be To: ;tag=z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj5decf1ff-e80b-4784-87b0-03f9734c20d9 CSeq: 47175 OPTIONS Sequence Number: 47175 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 210361 1950.358855 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 210361: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:10:26.525448000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:10:26.525448000 UTC Epoch Arrival Time: 1759770626.525448000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000573000 seconds] [Time delta from previous displayed frame: 59.989464000 seconds] [Time since reference or first frame: 1950.358855000 seconds] Frame Number: 210361 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xf6f8 (63224) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x975d [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x9cd5 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 312] [Timestamps] [Time since first frame: 1941.616298000 seconds] [Time since previous frame: 12.622395000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 From: ;tag=47c600de-c43d-4ac5-b834-ba59e8cdf47b SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 47c600de-c43d-4ac5-b834-ba59e8cdf47b To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 79a5734a-dd50-4b43-b966-fbf0f0a0c83e [Generated Call-ID: 79a5734a-dd50-4b43-b966-fbf0f0a0c83e] CSeq: 54930 OPTIONS Sequence Number: 54930 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 210362 1950.359187 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 210362: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:10:26.525780000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:10:26.525780000 UTC Epoch Arrival Time: 1759770626.525780000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000332000 seconds] [Time delta from previous displayed frame: 0.000332000 seconds] [Time since reference or first frame: 1950.359187000 seconds] Frame Number: 210362 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xf2a3 (62115) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x9735 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x2946 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 313] [Timestamps] [Time since first frame: 1941.616630000 seconds] [Time since previous frame: 0.000332000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 210361] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 Call-ID: 79a5734a-dd50-4b43-b966-fbf0f0a0c83e [Generated Call-ID: 79a5734a-dd50-4b43-b966-fbf0f0a0c83e] From: ;tag=47c600de-c43d-4ac5-b834-ba59e8cdf47b SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 47c600de-c43d-4ac5-b834-ba59e8cdf47b To: ;tag=z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj661087a2-bcb1-4575-b21c-4b23205f1499 CSeq: 54930 OPTIONS Sequence Number: 54930 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 216798 2010.350504 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 216798: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:26.517097000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:26.517097000 UTC Epoch Arrival Time: 1759770686.517097000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.012178000 seconds] [Time delta from previous displayed frame: 59.991317000 seconds] [Time since reference or first frame: 2010.350504000 seconds] Frame Number: 216798 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x742a (29738) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x1a2c [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x2664 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 319] [Timestamps] [Time since first frame: 2001.607947000 seconds] [Time since previous frame: 8.610487000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 From: ;tag=f525fce9-61a2-4fbb-853d-79cb761716af SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: f525fce9-61a2-4fbb-853d-79cb761716af To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 0e3f76f6-0f7b-4d19-b5b6-c65d4be345d5 [Generated Call-ID: 0e3f76f6-0f7b-4d19-b5b6-c65d4be345d5] CSeq: 55913 OPTIONS Sequence Number: 55913 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 216799 2010.350735 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 216799: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:26.517328000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:26.517328000 UTC Epoch Arrival Time: 1759770686.517328000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000231000 seconds] [Time delta from previous displayed frame: 0.000231000 seconds] [Time since reference or first frame: 2010.350735000 seconds] Frame Number: 216799 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0xfe6d (65133) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x8b6b [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x95c2 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 320] [Timestamps] [Time since first frame: 2001.608178000 seconds] [Time since previous frame: 0.000231000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 216798] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 Call-ID: 0e3f76f6-0f7b-4d19-b5b6-c65d4be345d5 [Generated Call-ID: 0e3f76f6-0f7b-4d19-b5b6-c65d4be345d5] From: ;tag=f525fce9-61a2-4fbb-853d-79cb761716af SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: f525fce9-61a2-4fbb-853d-79cb761716af To: ;tag=z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPjfc8a4dae-37f5-47ae-9a36-15159cd0b7c0 CSeq: 55913 OPTIONS Sequence Number: 55913 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 218770 2028.724546 192.168.16.251 172.16.48.3 SIP 556 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 218770: 556 bytes on wire (4448 bits), 556 bytes captured (4448 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.891139000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.891139000 UTC Epoch Arrival Time: 1759770704.891139000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009063000 seconds] [Time delta from previous displayed frame: 18.373811000 seconds] [Time since reference or first frame: 2028.724546000 seconds] Frame Number: 218770 Frame Length: 556 bytes (4448 bits) Capture Length: 556 bytes (4448 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 542 Identification: 0x0209 (521) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x890f [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 522 Checksum: 0xdb8b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 322] [Timestamps] [Time since first frame: 2019.981989000 seconds] [Time since previous frame: 12.982570000 seconds] UDP payload (514 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 Max-Forwards: 70 From: ;tag=5afb261f3430433abb3f2c6cbfe37b43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5afb261f3430433abb3f2c6cbfe37b43 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56643 REGISTER Sequence Number: 56643 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0 No. Time Source Destination Protocol Length Info 218774 2028.738213 172.16.48.3 192.168.16.251 SIP 619 Status: 401 Unauthorized | Frame 218774: 619 bytes on wire (4952 bits), 619 bytes captured (4952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.904806000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.904806000 UTC Epoch Arrival Time: 1759770704.904806000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000276000 seconds] [Time delta from previous displayed frame: 0.013667000 seconds] [Time since reference or first frame: 2028.738213000 seconds] Frame Number: 218774 Frame Length: 619 bytes (4952 bits) Capture Length: 619 bytes (4952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 605 Identification: 0x9a35 (39477) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf3a3 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 585 Checksum: 0x985e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 323] [Timestamps] [Time since first frame: 2019.995656000 seconds] [Time since previous frame: 0.013667000 seconds] UDP payload (577 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 218770] [Response Time (ms): 13] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=5afb261f3430433abb3f2c6cbfe37b43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5afb261f3430433abb3f2c6cbfe37b43 To: ;tag=z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPja95d50d06004417b9ac1497d94a1e0a6 CSeq: 56643 REGISTER Sequence Number: 56643 Method: REGISTER WWW-Authenticate: Digest realm="asterisk",nonce="1759772957/b8be96f1a657eb01e8bca56f3aa07ad6",opaque="4c537d212e4dabd3",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772957/b8be96f1a657eb01e8bca56f3aa07ad6" Opaque Value: "4c537d212e4dabd3" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 218775 2028.738505 192.168.16.251 172.16.48.3 SIP 842 Request: REGISTER sip:172.16.48.3 (1 binding) | Frame 218775: 842 bytes on wire (6736 bits), 842 bytes captured (6736 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.905098000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.905098000 UTC Epoch Arrival Time: 1759770704.905098000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000292000 seconds] [Time delta from previous displayed frame: 0.000292000 seconds] [Time since reference or first frame: 2028.738505000 seconds] Frame Number: 218775 Frame Length: 842 bytes (6736 bits) Capture Length: 842 bytes (6736 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 828 Identification: 0x020c (524) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x87ee [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 808 Checksum: 0xf3b1 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 324] [Timestamps] [Time since first frame: 2019.995948000 seconds] [Time since previous frame: 0.000292000 seconds] UDP payload (800 bytes) Session Initiation Protocol (REGISTER) Request-Line: REGISTER sip:172.16.48.3 SIP/2.0 Method: REGISTER Request-URI: sip:172.16.48.3 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a Max-Forwards: 70 From: ;tag=5afb261f3430433abb3f2c6cbfe37b43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5afb261f3430433abb3f2c6cbfe37b43 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] CSeq: 56644 REGISTER Sequence Number: 56644 Method: REGISTER User-Agent: MicroSIP/3.22.0 Contact: Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Expires: 300 Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772957/b8be96f1a657eb01e8bca56f3aa07ad6", uri="sip:172.16.48.3", response="60130a97e4ac4f85494a59ae2efb4285", algorithm=MD5, cnonce="e307d9e40b6746b5a169a2b9f66ef4d1 Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772957/b8be96f1a657eb01e8bca56f3aa07ad6" Authentication URI: "sip:172.16.48.3" Digest Authentication Response: "60130a97e4ac4f85494a59ae2efb4285" Algorithm: MD5 CNonce Value: "e307d9e40b6746b5a169a2b9f66ef4d1" Opaque Value: "4c537d212e4dabd3" QOP: auth Nonce Count: 00000001 Content-Length: 0 No. Time Source Destination Protocol Length Info 218780 2028.767504 172.16.48.3 192.168.16.251 SIP 571 Status: 200 OK (REGISTER) (1 binding) | Frame 218780: 571 bytes on wire (4568 bits), 571 bytes captured (4568 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.934097000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.934097000 UTC Epoch Arrival Time: 1759770704.934097000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001886000 seconds] [Time delta from previous displayed frame: 0.028999000 seconds] [Time since reference or first frame: 2028.767504000 seconds] Frame Number: 218780 Frame Length: 571 bytes (4568 bits) Capture Length: 571 bytes (4568 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 557 Identification: 0x9a40 (39488) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf3c8 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 537 Checksum: 0xa194 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 326] [Timestamps] [Time since first frame: 2020.024947000 seconds] [Time since previous frame: 0.025558000 seconds] UDP payload (529 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 218775] [Response Time (ms): 28] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a Call-ID: f02452a529c94695884b59209848c926 [Generated Call-ID: f02452a529c94695884b59209848c926] From: ;tag=5afb261f3430433abb3f2c6cbfe37b43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 5afb261f3430433abb3f2c6cbfe37b43 To: ;tag=z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj0c4067f0a6364e1189d8b1fa42f6a01a CSeq: 56644 REGISTER Sequence Number: 56644 Method: REGISTER Date: Mon, 06 Oct 2025 17:49:17 GMT Contact: ;expires=299 Contact URI: sip:1606@192.168.16.251:57307;ob Contact URI User Part: 1606 Contact URI Host Part: 192.168.16.251 Contact URI Host Port: 57307 Contact URI parameter: ob Contact parameter: expires=299 Expires: 300 Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 218781 2028.767812 192.168.16.251 172.16.48.3 SIP/XML 760 Request: PUBLISH sip:1606@172.16.48.3 | Frame 218781: 760 bytes on wire (6080 bits), 760 bytes captured (6080 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.934405000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.934405000 UTC Epoch Arrival Time: 1759770704.934405000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000308000 seconds] [Time delta from previous displayed frame: 0.000308000 seconds] [Time since reference or first frame: 2028.767812000 seconds] Frame Number: 218781 Frame Length: 760 bytes (6080 bits) Capture Length: 760 bytes (6080 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 746 Identification: 0x020f (527) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x883d [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 726 Checksum: 0x1c5e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 327] [Timestamps] [Time since first frame: 2020.025255000 seconds] [Time since previous frame: 0.000308000 seconds] UDP payload (718 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 Max-Forwards: 70 From: ;tag=02beed77e7434ec1b80c256a6103c2ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 02beed77e7434ec1b80c256a6103c2ef To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c5c3ab34be67494e98711fa6b3f387d6 [Generated Call-ID: c5c3ab34be67494e98711fa6b3f387d6] CSeq: 6815 PUBLISH Sequence Number: 6815 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:11:44.933Z Idle No. Time Source Destination Protocol Length Info 218783 2028.778788 172.16.48.3 192.168.16.251 SIP 617 Status: 401 Unauthorized | Frame 218783: 617 bytes on wire (4936 bits), 617 bytes captured (4936 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.945381000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.945381000 UTC Epoch Arrival Time: 1759770704.945381000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000617000 seconds] [Time delta from previous displayed frame: 0.010976000 seconds] [Time since reference or first frame: 2028.778788000 seconds] Frame Number: 218783 Frame Length: 617 bytes (4936 bits) Capture Length: 617 bytes (4936 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 603 Identification: 0x9a44 (39492) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf396 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 583 Checksum: 0x2247 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 328] [Timestamps] [Time since first frame: 2020.036231000 seconds] [Time since previous frame: 0.010976000 seconds] UDP payload (575 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 218781] [Response Time (ms): 10] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 Call-ID: c5c3ab34be67494e98711fa6b3f387d6 [Generated Call-ID: c5c3ab34be67494e98711fa6b3f387d6] From: ;tag=02beed77e7434ec1b80c256a6103c2ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 02beed77e7434ec1b80c256a6103c2ef To: ;tag=z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj91955794b5ab43b09de9189b3666bcf9 CSeq: 6815 PUBLISH Sequence Number: 6815 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759772957/b8be96f1a657eb01e8bca56f3aa07ad6",opaque="392f561b0d9b9d22",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759772957/b8be96f1a657eb01e8bca56f3aa07ad6" Opaque Value: "392f561b0d9b9d22" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 218784 2028.779154 192.168.16.251 172.16.48.3 SIP/XML 1051 Request: PUBLISH sip:1606@172.16.48.3 | Frame 218784: 1051 bytes on wire (8408 bits), 1051 bytes captured (8408 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.945747000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.945747000 UTC Epoch Arrival Time: 1759770704.945747000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000366000 seconds] [Time delta from previous displayed frame: 0.000366000 seconds] [Time since reference or first frame: 2028.779154000 seconds] Frame Number: 218784 Frame Length: 1051 bytes (8408 bits) Capture Length: 1051 bytes (8408 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1037 Identification: 0x0211 (529) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x8718 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1017 Checksum: 0x984c [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 329] [Timestamps] [Time since first frame: 2020.036597000 seconds] [Time since previous frame: 0.000366000 seconds] UDP payload (1009 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 Max-Forwards: 70 From: ;tag=02beed77e7434ec1b80c256a6103c2ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 02beed77e7434ec1b80c256a6103c2ef To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: c5c3ab34be67494e98711fa6b3f387d6 [Generated Call-ID: c5c3ab34be67494e98711fa6b3f387d6] CSeq: 6816 PUBLISH Sequence Number: 6816 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759772957/b8be96f1a657eb01e8bca56f3aa07ad6", uri="sip:1606@172.16.48.3", response="b356e89567b75ad6adf90860cb7111ba", algorithm=MD5, cnonce="c39158ca3fbd4b8890873fc3a4e Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759772957/b8be96f1a657eb01e8bca56f3aa07ad6" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "b356e89567b75ad6adf90860cb7111ba" Algorithm: MD5 CNonce Value: "c39158ca3fbd4b8890873fc3a4e6acdf" Opaque Value: "392f561b0d9b9d22" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:11:44.933Z Idle No. Time Source Destination Protocol Length Info 218786 2028.788445 172.16.48.3 192.168.16.251 SIP 468 Status: 489 Bad Event | Frame 218786: 468 bytes on wire (3744 bits), 468 bytes captured (3744 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:11:44.955038000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:11:44.955038000 UTC Epoch Arrival Time: 1759770704.955038000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.006817000 seconds] [Time delta from previous displayed frame: 0.009291000 seconds] [Time since reference or first frame: 2028.788445000 seconds] Frame Number: 218786 Frame Length: 468 bytes (3744 bits) Capture Length: 468 bytes (3744 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 454 Identification: 0x9a4d (39501) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xf422 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 434 Checksum: 0x041f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 330] [Timestamps] [Time since first frame: 2020.045888000 seconds] [Time since previous frame: 0.009291000 seconds] UDP payload (426 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 218784] [Response Time (ms): 9] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 Call-ID: c5c3ab34be67494e98711fa6b3f387d6 [Generated Call-ID: c5c3ab34be67494e98711fa6b3f387d6] From: ;tag=02beed77e7434ec1b80c256a6103c2ef SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 02beed77e7434ec1b80c256a6103c2ef To: ;tag=z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjbb11c7c85c8b4f88b82810c3675efcd2 CSeq: 6816 PUBLISH Sequence Number: 6816 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 223222 2070.353857 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 223222: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:12:26.520450000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:12:26.520450000 UTC Epoch Arrival Time: 1759770746.520450000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.015867000 seconds] [Time delta from previous displayed frame: 41.565412000 seconds] [Time since reference or first frame: 2070.353857000 seconds] Frame Number: 223222 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xee10 (60944) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xa045 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xe631 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 334] [Timestamps] [Time since first frame: 2061.611300000 seconds] [Time since previous frame: 2.584228000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e From: ;tag=9fcb0292-2218-4b52-a25a-26f5933e9c43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9fcb0292-2218-4b52-a25a-26f5933e9c43 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: 03912dfb-9b33-4cbf-8f27-6e5708378d0d [Generated Call-ID: 03912dfb-9b33-4cbf-8f27-6e5708378d0d] CSeq: 16824 OPTIONS Sequence Number: 16824 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 223224 2070.354136 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 223224: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:12:26.520729000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:12:26.520729000 UTC Epoch Arrival Time: 1759770746.520729000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000279000 seconds] [Time delta from previous displayed frame: 0.000279000 seconds] [Time since reference or first frame: 2070.354136000 seconds] Frame Number: 223224 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x0a3c (2620) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x7f9d [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0xb191 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 335] [Timestamps] [Time since first frame: 2061.611579000 seconds] [Time since previous frame: 0.000279000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 223222] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e Call-ID: 03912dfb-9b33-4cbf-8f27-6e5708378d0d [Generated Call-ID: 03912dfb-9b33-4cbf-8f27-6e5708378d0d] From: ;tag=9fcb0292-2218-4b52-a25a-26f5933e9c43 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 9fcb0292-2218-4b52-a25a-26f5933e9c43 To: ;tag=z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj3036dba3-8aa0-4e35-97fb-e2c747982b5e CSeq: 16824 OPTIONS Sequence Number: 16824 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 230626 2130.339267 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 230626: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:13:26.505860000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:13:26.505860000 UTC Epoch Arrival Time: 1759770806.505860000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.001302000 seconds] [Time delta from previous displayed frame: 59.985131000 seconds] [Time since reference or first frame: 2130.339267000 seconds] Frame Number: 230626 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0x6920 (26912) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x2536 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0xf435 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 340] [Timestamps] [Time since first frame: 2121.596710000 seconds] [Time since previous frame: 11.568287000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 From: ;tag=224cfa5b-f184-488b-a558-14df955a4bde SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 224cfa5b-f184-488b-a558-14df955a4bde To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: c10d82bf-90dd-420b-b386-a29575f92930 [Generated Call-ID: c10d82bf-90dd-420b-b386-a29575f92930] CSeq: 47424 OPTIONS Sequence Number: 47424 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 230627 2130.339505 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 230627: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:13:26.506098000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:13:26.506098000 UTC Epoch Arrival Time: 1759770806.506098000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000238000 seconds] [Time delta from previous displayed frame: 0.000238000 seconds] [Time since reference or first frame: 2130.339505000 seconds] Frame Number: 230627 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x1606 (5638) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x73d3 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x1ed7 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 341] [Timestamps] [Time since first frame: 2121.596948000 seconds] [Time since previous frame: 0.000238000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 230626] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 Call-ID: c10d82bf-90dd-420b-b386-a29575f92930 [Generated Call-ID: c10d82bf-90dd-420b-b386-a29575f92930] From: ;tag=224cfa5b-f184-488b-a558-14df955a4bde SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 224cfa5b-f184-488b-a558-14df955a4bde To: ;tag=z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj4a3f18dd-319d-4ccc-a57c-b715259e6ea6 CSeq: 47424 OPTIONS Sequence Number: 47424 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 236566 2179.344152 192.168.16.251 172.16.48.3 SIP/XML 761 Request: PUBLISH sip:1606@172.16.48.3 | Frame 236566: 761 bytes on wire (6088 bits), 761 bytes captured (6088 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:15.510745000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:15.510745000 UTC Epoch Arrival Time: 1759770855.510745000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.004473000 seconds] [Time delta from previous displayed frame: 49.004647000 seconds] [Time since reference or first frame: 2179.344152000 seconds] Frame Number: 236566 Frame Length: 761 bytes (6088 bits) Capture Length: 761 bytes (6088 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 747 Identification: 0x1fa7 (8103) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6aa4 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 727 Checksum: 0x931e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 346] [Timestamps] [Time since first frame: 2170.601595000 seconds] [Time since previous frame: 11.569939000 seconds] UDP payload (719 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 Max-Forwards: 70 From: ;tag=4c8aeba4daef43e5998460ba0b832fb6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4c8aeba4daef43e5998460ba0b832fb6 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 8f6bba71871e46b08e879a923965a671 [Generated Call-ID: 8f6bba71871e46b08e879a923965a671] CSeq: 44647 PUBLISH Sequence Number: 44647 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:14:15.510Z Idle No. Time Source Destination Protocol Length Info 236567 2179.359503 172.16.48.3 192.168.16.251 SIP 618 Status: 401 Unauthorized | Frame 236567: 618 bytes on wire (4944 bits), 618 bytes captured (4944 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:15.526096000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:15.526096000 UTC Epoch Arrival Time: 1759770855.526096000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.015351000 seconds] [Time delta from previous displayed frame: 0.015351000 seconds] [Time since reference or first frame: 2179.359503000 seconds] Frame Number: 236567 Frame Length: 618 bytes (4944 bits) Capture Length: 618 bytes (4944 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 604 Identification: 0xcf85 (53125) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbe54 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 584 Checksum: 0xf45e [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 347] [Timestamps] [Time since first frame: 2170.616946000 seconds] [Time since previous frame: 0.015351000 seconds] UDP payload (576 bytes) Session Initiation Protocol (401) Status-Line: SIP/2.0 401 Unauthorized Status-Code: 401 [Resent Packet: False] [Request Frame: 236566] [Response Time (ms): 15] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 Call-ID: 8f6bba71871e46b08e879a923965a671 [Generated Call-ID: 8f6bba71871e46b08e879a923965a671] From: ;tag=4c8aeba4daef43e5998460ba0b832fb6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4c8aeba4daef43e5998460ba0b832fb6 To: ;tag=z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPjfce05b272d7d4573bc8eae7685456c43 CSeq: 44647 PUBLISH Sequence Number: 44647 Method: PUBLISH WWW-Authenticate: Digest realm="asterisk",nonce="1759773108/b32949a16af34f62d27e6a26ed24ba62",opaque="2b2a6d8001a9b38e",algorithm=MD5,qop="auth" Authentication Scheme: Digest Realm: "asterisk" Nonce Value: "1759773108/b32949a16af34f62d27e6a26ed24ba62" Opaque Value: "2b2a6d8001a9b38e" Algorithm: MD5 QOP: "auth" Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 236568 2179.359810 192.168.16.251 172.16.48.3 SIP/XML 1052 Request: PUBLISH sip:1606@172.16.48.3 | Frame 236568: 1052 bytes on wire (8416 bits), 1052 bytes captured (8416 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:15.526403000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:15.526403000 UTC Epoch Arrival Time: 1759770855.526403000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000307000 seconds] [Time delta from previous displayed frame: 0.000307000 seconds] [Time since reference or first frame: 2179.359810000 seconds] Frame Number: 236568 Frame Length: 1052 bytes (8416 bits) Capture Length: 1052 bytes (8416 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip:xml] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 1038 Identification: 0x1fa8 (8104) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6980 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 1018 Checksum: 0x4169 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 348] [Timestamps] [Time since first frame: 2170.617253000 seconds] [Time since previous frame: 0.000307000 seconds] UDP payload (1010 bytes) Session Initiation Protocol (PUBLISH) Request-Line: PUBLISH sip:1606@172.16.48.3 SIP/2.0 Method: PUBLISH Request-URI: sip:1606@172.16.48.3 Request-URI User Part: 1606 Request-URI Host Part: 172.16.48.3 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 Max-Forwards: 70 From: ;tag=4c8aeba4daef43e5998460ba0b832fb6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4c8aeba4daef43e5998460ba0b832fb6 To: SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 Call-ID: 8f6bba71871e46b08e879a923965a671 [Generated Call-ID: 8f6bba71871e46b08e879a923965a671] CSeq: 44648 PUBLISH Sequence Number: 44648 Method: PUBLISH Event: presence User-Agent: MicroSIP/3.22.0 […] Authorization: Digest username="1606", realm="asterisk", nonce="1759773108/b32949a16af34f62d27e6a26ed24ba62", uri="sip:1606@172.16.48.3", response="244a8edb01c93cf77684d256d43b2155", algorithm=MD5, cnonce="04e4a5dd7276460c8a5a495594c Authentication Scheme: Digest Username: "1606" Realm: "asterisk" Nonce Value: "1759773108/b32949a16af34f62d27e6a26ed24ba62" Authentication URI: "sip:1606@172.16.48.3" Digest Authentication Response: "244a8edb01c93cf77684d256d43b2155" Algorithm: MD5 CNonce Value: "04e4a5dd7276460c8a5a495594c72d92" Opaque Value: "2b2a6d8001a9b38e" QOP: auth Nonce Count: 00000001 Content-Type: application/pidf+xml Content-Length: 303 Message Body eXtensible Markup Language open 2025-10-06T17:14:15.510Z Idle No. Time Source Destination Protocol Length Info 236571 2179.376582 172.16.48.3 192.168.16.251 SIP 469 Status: 489 Bad Event | Frame 236571: 469 bytes on wire (3752 bits), 469 bytes captured (3752 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:15.543175000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:15.543175000 UTC Epoch Arrival Time: 1759770855.543175000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.009265000 seconds] [Time delta from previous displayed frame: 0.016772000 seconds] [Time since reference or first frame: 2179.376582000 seconds] Frame Number: 236571 Frame Length: 469 bytes (3752 bits) Capture Length: 469 bytes (3752 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 455 Identification: 0xcf88 (53128) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xbee6 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 435 Checksum: 0x2afe [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 349] [Timestamps] [Time since first frame: 2170.634025000 seconds] [Time since previous frame: 0.016772000 seconds] UDP payload (427 bytes) Session Initiation Protocol (489) Status-Line: SIP/2.0 489 Bad Event Status-Code: 489 [Resent Packet: False] [Request Frame: 236568] [Response Time (ms): 16] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 Call-ID: 8f6bba71871e46b08e879a923965a671 [Generated Call-ID: 8f6bba71871e46b08e879a923965a671] From: ;tag=4c8aeba4daef43e5998460ba0b832fb6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: 4c8aeba4daef43e5998460ba0b832fb6 To: ;tag=z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 SIP to address: sip:1606@172.16.48.3 SIP to address User Part: 1606 SIP to address Host Part: 172.16.48.3 SIP to tag: z9hG4bKPj18f2c1e65e8d450dabadac2149491f22 CSeq: 44648 PUBLISH Sequence Number: 44648 Method: PUBLISH Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 237738 2190.333232 172.16.48.3 192.168.16.251 SIP 494 Request: OPTIONS sip:1606@192.168.16.251:57307;ob | Frame 237738: 494 bytes on wire (3952 bits), 494 bytes captured (3952 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:26.499825000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:26.499825000 UTC Epoch Arrival Time: 1759770866.499825000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.005208000 seconds] [Time delta from previous displayed frame: 10.956650000 seconds] [Time since reference or first frame: 2190.333232000 seconds] Frame Number: 237738 Frame Length: 494 bytes (3952 bits) Capture Length: 494 bytes (3952 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 480 Identification: 0xe609 (58889) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0xa84c [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 460 Checksum: 0x617b [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 351] [Timestamps] [Time since first frame: 2181.590675000 seconds] [Time since previous frame: 8.558427000 seconds] UDP payload (452 bytes) Session Initiation Protocol (OPTIONS) Request-Line: OPTIONS sip:1606@192.168.16.251:57307;ob SIP/2.0 Method: OPTIONS Request-URI: sip:1606@192.168.16.251:57307;ob Request-URI User Part: 1606 Request-URI Host Part: 192.168.16.251 Request-URI Host Port: 57307 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport;branch=z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: rport Branch: z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e From: ;tag=f5402a07-6ff2-4cbd-b8d1-fd20ec0dade6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: f5402a07-6ff2-4cbd-b8d1-fd20ec0dade6 To: SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob Contact: Contact URI: sip:1606@172.16.48.3:5060 Contact URI User Part: 1606 Contact URI Host Part: 172.16.48.3 Contact URI Host Port: 5060 Call-ID: e301779f-f766-4ae1-a578-73858a79c60f [Generated Call-ID: e301779f-f766-4ae1-a578-73858a79c60f] CSeq: 16394 OPTIONS Sequence Number: 16394 Method: OPTIONS Max-Forwards: 70 User-Agent: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0 No. Time Source Destination Protocol Length Info 237739 2190.333436 192.168.16.251 172.16.48.3 SIP 875 Status: 200 OK (OPTIONS) | Frame 237739: 875 bytes on wire (7000 bits), 875 bytes captured (7000 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:26.500029000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:26.500029000 UTC Epoch Arrival Time: 1759770866.500029000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000204000 seconds] [Time delta from previous displayed frame: 0.000204000 seconds] [Time since reference or first frame: 2190.333436000 seconds] Frame Number: 237739 Frame Length: 875 bytes (7000 bits) Capture Length: 875 bytes (7000 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 861 Identification: 0x21d1 (8657) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6808 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 841 Checksum: 0x965f [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 352] [Timestamps] [Time since first frame: 2181.590879000 seconds] [Time since previous frame: 0.000204000 seconds] UDP payload (833 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 237738] [Response Time (ms): 0] Message Header Via: SIP/2.0/UDP 172.16.48.3:5060;rport=5060;received=172.16.48.3;branch=z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e Transport: UDP Sent-by Address: 172.16.48.3 Sent-by port: 5060 RPort: 5060 Received: 172.16.48.3 Branch: z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e Call-ID: e301779f-f766-4ae1-a578-73858a79c60f [Generated Call-ID: e301779f-f766-4ae1-a578-73858a79c60f] From: ;tag=f5402a07-6ff2-4cbd-b8d1-fd20ec0dade6 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: f5402a07-6ff2-4cbd-b8d1-fd20ec0dade6 To: ;tag=z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e SIP to address: sip:1606@192.168.16.251;ob SIP to address User Part: 1606 SIP to address Host Part: 192.168.16.251 SIP To URI parameter: ob SIP to tag: z9hG4bKPj07651365-157c-4722-963d-ee3075a0e85e CSeq: 16394 OPTIONS Sequence Number: 16394 Method: OPTIONS Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Accept: application/sdp, application/pidf+xml, application/xpidf+xml, application/dialog-info+xml, application/simple-message-summary, message/sipfrag;version=2.0, application/im-iscomposing+xml, text/plain Supported: replaces, 100rel, timer, norefersub, trickle-ice Allow-Events: presence, dialog, message-summary, refer User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 239192 2203.851127 192.168.16.251 172.16.48.3 SIP 435 Request: BYE sip:172.16.48.3:5060 | Frame 239192: 435 bytes on wire (3480 bits), 435 bytes captured (3480 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:40.017720000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:40.017720000 UTC Epoch Arrival Time: 1759770880.017720000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.000285000 seconds] [Time delta from previous displayed frame: 13.517691000 seconds] [Time since reference or first frame: 2203.851127000 seconds] Frame Number: 239192 Frame Length: 435 bytes (3480 bits) Capture Length: 435 bytes (3480 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41), Dst: Routerboardc_83:76:79 (18:fd:74:83:76:79) Destination: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 192.168.16.251, Dst: 172.16.48.3 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 421 Identification: 0x247c (9340) 000. .... = Flags: 0x0 0... .... = Reserved bit: Not set .0.. .... = Don't fragment: Not set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 128 Protocol: UDP (17) Header Checksum: 0x6715 [validation disabled] [Header checksum status: Unverified] Source Address: 192.168.16.251 Destination Address: 172.16.48.3 [Stream index: 4] User Datagram Protocol, Src Port: 57307, Dst Port: 5060 Source Port: 57307 Destination Port: 5060 Length: 401 Checksum: 0x52ed [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 354] [Timestamps] [Time since first frame: 2195.108570000 seconds] [Time since previous frame: 9.076080000 seconds] UDP payload (393 bytes) Session Initiation Protocol (BYE) Request-Line: BYE sip:172.16.48.3:5060 SIP/2.0 Method: BYE Request-URI: sip:172.16.48.3:5060 Request-URI Host Part: 172.16.48.3 Request-URI Host Port: 5060 [Resent Packet: False] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport;branch=z9hG4bKPj6edfc26310bd4054885c5cdc5dc8ff95 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: rport Branch: z9hG4bKPj6edfc26310bd4054885c5cdc5dc8ff95 Max-Forwards: 70 From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] CSeq: 25536 BYE Sequence Number: 25536 Method: BYE User-Agent: MicroSIP/3.22.0 Content-Length: 0 No. Time Source Destination Protocol Length Info 239193 2203.854831 172.16.48.3 192.168.16.251 SIP 453 Status: 200 OK (BYE) | Frame 239193: 453 bytes on wire (3624 bits), 453 bytes captured (3624 bits) Encapsulation type: Ethernet (1) Arrival Time: Oct 6, 2025 18:14:40.021424000 W. Central Africa Standard Time UTC Arrival Time: Oct 6, 2025 17:14:40.021424000 UTC Epoch Arrival Time: 1759770880.021424000 [Time shift for this packet: 0.000000000 seconds] [Time delta from previous captured frame: 0.003704000 seconds] [Time delta from previous displayed frame: 0.003704000 seconds] [Time since reference or first frame: 2203.854831000 seconds] Frame Number: 239193 Frame Length: 453 bytes (3624 bits) Capture Length: 453 bytes (3624 bits) [Frame is marked: False] [Frame is ignored: False] [Protocols in frame: eth:ethertype:ip:udp:sip] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Routerboardc_83:76:79 (18:fd:74:83:76:79), Dst: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) Destination: HewlettPacka_74:ac:41 (f4:39:09:74:ac:41) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Source: Routerboardc_83:76:79 (18:fd:74:83:76:79) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) Type: IPv4 (0x0800) [Stream index: 0] Internet Protocol Version 4, Src: 172.16.48.3, Dst: 192.168.16.251 0100 .... = Version: 4 .... 0101 = Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT) 0000 00.. = Differentiated Services Codepoint: Default (0) .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0) Total Length: 439 Identification: 0x027d (637) 010. .... = Flags: 0x2, Don't fragment 0... .... = Reserved bit: Not set .1.. .... = Don't fragment: Set ..0. .... = More fragments: Not set ...0 0000 0000 0000 = Fragment Offset: 0 Time to Live: 61 Protocol: UDP (17) Header Checksum: 0x8c02 [validation disabled] [Header checksum status: Unverified] Source Address: 172.16.48.3 Destination Address: 192.168.16.251 [Stream index: 4] User Datagram Protocol, Src Port: 5060, Dst Port: 57307 Source Port: 5060 Destination Port: 57307 Length: 419 Checksum: 0xd7a7 [unverified] [Checksum Status: Unverified] [Stream index: 7] [Stream Packet Number: 355] [Timestamps] [Time since first frame: 2195.112274000 seconds] [Time since previous frame: 0.003704000 seconds] UDP payload (411 bytes) Session Initiation Protocol (200) Status-Line: SIP/2.0 200 OK Status-Code: 200 [Resent Packet: False] [Request Frame: 239192] [Response Time (ms): 3] [Release Time (ms): 3] Message Header Via: SIP/2.0/UDP 192.168.16.251:57307;rport=57307;received=192.168.16.251;branch=z9hG4bKPj6edfc26310bd4054885c5cdc5dc8ff95 Transport: UDP Sent-by Address: 192.168.16.251 Sent-by port: 57307 RPort: 57307 Received: 192.168.16.251 Branch: z9hG4bKPj6edfc26310bd4054885c5cdc5dc8ff95 Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3 [Generated Call-ID: f6c9022d4ed8404a8d909e6bd9140ee3] From: ;tag=e016c6408d3b419cbf539a8dea0f7f75 SIP from address: sip:1606@172.16.48.3 SIP from address User Part: 1606 SIP from address Host Part: 172.16.48.3 SIP from tag: e016c6408d3b419cbf539a8dea0f7f75 To: ;tag=e99a6c88-952a-4b31-a779-86358ebd42e2 SIP to address: sip:7100@172.16.48.3 SIP to address User Part: 7100 SIP to address Host Part: 172.16.48.3 SIP to tag: e99a6c88-952a-4b31-a779-86358ebd42e2 CSeq: 25536 BYE Sequence Number: 25536 Method: BYE Server: Asterisk PBX 22.2.0~dfsg+~cs6.15.60671435-2 Content-Length: 0