Cancel from eun10.bcld.webex.com - Cisco Community

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Hi all,

i have a situation where the webex app sends a Cancel in the SIP message before the call to the PSTn completes. Any ideas why this is happening.

Sep 5 07:36:50.087: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

INVITE sip:+xxx;transport=tls;dtg=ipnx2023_lgu SIP/2.0

Via:SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From:"Info info"<sip:+xxx;user=phone>;tag=1244987949-1693899410023-

To:<sip:+xxx@eun10.bcld.webex.com;user=phone>

Call-ID:xxx

CSeq:100 INVITE

Contact:<sip:170.72.17.196:8934;transport=tls>

P-Asserted-Identity:"Info info"<sip:+xxx@10.247.249.9;user=phone>

Privacy:none

Supported:100rel

Allow:ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOTIFY,UPDATE

Recv-Info:x-broadworks-client-session-info,x-cisco-mute-status

X-BroadWorks-Correlation-Info:2ea6b843-e089-4859-8939-f0bae7ee3f26

Accept:application/dtmf-relay,application/media_control+xml,application/sdp,multipart/mixed

Max-Forwards:69

Session-ID:xxx;remote=00000000000000000000000000000000

Content-Type:application/sdp

Content-Length:1431

v=0

o=BroadWorks xxx IN IP4 170.72.17.203

s=-

c=IN IP4 170.72.17.203

t=0 0

a=cisco-mari:v1

a=cisco-mari-rate

a=cisco-mari-rtx:v0

a=cisco-mari-hybrid-resilience:v0

m=audio 37852 RTP/SAVP 99 9 8 0 18 102 101 111 112

a=sendrecv

a=rtpmap:99 opus/48000/2

a=rtpmap:9 G722/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:102 iLBC/8000

a=fmtp:102 mode=30

a=rtpmap:101 telephone-event/8000

a=rtpmap:111 x-ulpfecuc/8000

a=fmtp:111 max_esel=1400;max_n=255;m=8;multi_ssrc=1;FEC_ORDER=FEC_SRTP;non_seq=1;feedback=0

a=rtpmap:112 mari-rtx/90000

a=fmtp:112 RTX_ORDER=RTX_SRTP;rtx-time=180

a=extmap:4/sendrecv http://protocols.cisco.com/timestamp#100us

a=extmap:9/sendrecv http://www.webrtc.org/experiments/rtp-hdrext/abs-capture-time

a=rtcp-mux

a=rtcp-xr:rcvr-rtt=all voip-metrics

a=ice-ufrag:aC4J

a=ice-pwd:xxx

a=candidate:1 1 UDP 2113935615 172.20.15.69 8596 typ host

a=candidate:1 2 UDP 2113935614 172.20.15.69 8597 typ host

a=candidate:3 1 UDP 1677727999 41.251.55.175 8596 typ srflx raddr 172.20.15.69 rport 8596

a=candidate:3 2 UDP 1677727998 41.251.55.175 8597 typ srflx raddr 172.20.15.69 rport 8597

a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

a=candidate:mse 1 UDP 16777215 170.72.17.203 37852 typ relay

a=candidate:mse 2 UDP 16777214 170.72.17.203 37853 typ relay

Timestamp: 3776744210087

UTC Timestamp:3776744210087

Sep 5 07:36:50.094: //191/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 100 Trying

Via: SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From: "Info info"<sip:+xxx;user=phone>;tag=1244987949-1693899410023-

To: <sip:+xxx@eun10.bcld.webex.com;user=phone>

Date: Tue, 05 Sep 2023 07:36:50 GMT

Call-ID: xxx

CSeq: 100 INVITE

Allow-Events: telephone-event

Server: Cisco-SIPGateway/IOS-17.6.3a

Session-ID: 00000000000000000000000000000000;remote=xxx

Content-Length: 0

Timestamp: 3776744210094

UTC Timestamp:3776744210094

Sep 5 07:36:50.231: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

INVITE sip:xxx@sip.ipnxtelecoms.com:5060 SIP/2.0

Via: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK791FA8

Remote-Party-ID: "Info info" <sip:xxx@105.235.207.178>;party=calling;screen=yes;privacy=off

From: "Info info" <sip:xxx@sip.xxx.com:5060>;tag=2FD690-251

To: <sip:012716816@sip.xxx.com>

Date: Tue, 05 Sep 2023 07:36:50 GMT

Call-ID: xxx

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE: 1800

Cisco-Guid: 3478372920-1257574894-2156842466-0749259353

User-Agent: Cisco-SIPGateway/IOS-17.6.3a

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

CSeq: 101 INVITE

Timestamp: 1693899410

Contact: <sip:xxx@105.235.207.178:5060>

Expires: 180

Allow-Events: kpml, telephone-event

Max-Forwards: 68

Session-ID: xxx;remote=00000000000000000000000000000000

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 326

v=0

o=CiscoSystemsSIP-GW-UserAgent 9261 1671 IN IP4 105.235.207.178

s=SIP Call

c=IN IP4 105.235.207.178

t=0 0

m=audio 8026 RTP/AVP 8 0 18 101

c=IN IP4 105.235.207.178

a=rtpmap:8 PCMA/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

Timestamp: 3776744210231

UTC Timestamp:3776744210231

Sep 5 07:36:50.263: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 100 Trying

v: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK791FA8

f: "Info info" <sip:xxx@sipxxx.com:5060>;tag=2FD690-251

t: <sip:012716816@sip.xxx.com>

i: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

CSeq: 101 INVITE

Server: CommuniGatePro/5.4.6 _community_

l: 0

Timestamp: 3776744210263

UTC Timestamp:3776744210263

Sep 5 07:36:52.799: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 401 Authentication required

v: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK791FA8

f: "Info info" <sip:016310967@sip.xxx.com:5060>;tag=2FD690-251

t: <sip:012716816@sip.xxx.com>;tag=5839A2C7

i: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

CSeq: 101 INVITE

WWW-Authenticate: Digest realm="xxx.net",nonce="46ED531B44EF4262C335",opaque="opaq",qop="auth",algorithm=MD5

Server: CommuniGatePro/5.4.6

l: 0

Timestamp: 3776744212799

UTC Timestamp:3776744212799

Sep 5 07:36:52.801: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

ACK sip:012716816@sip.xxx.com:5060 SIP/2.0

Via: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK791FA8

From: "Info info" <sip:016310967@sip.xxx.com>;tag=2FD690-251

To: <sip:012716816@sip.xxx.com>;tag=5839A2C7

Date: Tue, 05 Sep 2023 07:36:50 GMT

Call-ID: xxx

Max-Forwards: 70

CSeq: 101 ACK

Allow-Events: kpml, telephone-event

Session-ID: xxx;remote=00000000000000000000000000000000

Content-Length: 0

Timestamp: 3776744212801

UTC Timestamp:3776744212801

Sep 5 07:36:52.801: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

INVITE sip:012716816@sip.xxx.com:5060 SIP/2.0

Via: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

Remote-Party-ID: "Info info" <sip:xxx@105.235.207.178>;party=calling;screen=yes;privacy=off

From: "Info info" <sip:016310967@sip.xxx.com:5060>;tag=2FD690-251

To: <sip:012716816@sip.xxx.com>

Date: Tue, 05 Sep 2023 07:36:52 GMT

Call-ID: xxx

Supported: 100rel,timer,resource-priority,replaces,sdp-anat

Min-SE: 1800

Cisco-Guid: 3478372920-1257574894-2156842466-0749259353

User-Agent: Cisco-SIPGateway/IOS-17.6.3a

Allow: INVITE, OPTIONS, BYE, CANCEL, ACK, PRACK, UPDATE, REFER, SUBSCRIBE, NOTIFY, INFO, REGISTER

CSeq: 102 INVITE

Timestamp: 1693899412

Contact: <sip:016310967@105.235.207.178:5060>

Expires: 180

Allow-Events: kpml, telephone-event

Authorization: Digest username="016310967",realm="xxx.net",uri="sip:012716816@sip.xxx.com:5060",response="3baf517a35dac02b5135f62ee379e7e6",nonce="46ED531B44EF4262C335",opaque="opaq",cnonce="CE922FDF",qop=auth,algorithm=MD5,nc=00000001

Max-Forwards: 68

Session-ID: xxx;remote=00000000000000000000000000000000

Content-Type: application/sdp

Content-Disposition: session;handling=required

Content-Length: 326

v=0

o=CiscoSystemsSIP-GW-UserAgent 9261 1671 IN IP4 105.235.207.178

s=SIP Call

c=IN IP4 105.235.207.178

t=0 0

m=audio 8026 RTP/AVP 8 0 18 101

c=IN IP4 105.235.207.178

a=rtpmap:8 PCMA/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:18 G729/8000

a=fmtp:18 annexb=no

a=rtpmap:101 telephone-event/8000

a=fmtp:101 0-15

a=ptime:20

Timestamp: 3776744212801

UTC Timestamp:3776744212801

Sep 5 07:36:52.826: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 100 Trying

v: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

f: "Info info" <sip:016310967@sip.xxx.com:5060>;tag=2FD690-251

t: <sip:012716816@sip.xxx.com>

i: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

CSeq: 102 INVITE

Server: CommuniGatePro/5.4.6 _community_

l: 0

Timestamp: 3776744212826

UTC Timestamp:3776744212826

Sep 5 07:37:02.080: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

CANCEL sip:+23412716816@105.235.207.178:5061;transport=tls;dtg=ipnx2023_lgu SIP/2.0

Via:SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From:"Info info"<sip:+23416310967@170.72.17.196;user=phone>;tag=1244987949-1693899410023-

To:<sip:+23xx@eun10.bcld.webex.com;user=phone>

Call-ID:xxx

CSeq:100 CANCEL

X-BroadWorks-Correlation-Info:2ea6b843-e089-4859-8939-f0bae7ee3f26

Max-Forwards:69

Session-ID:xxx;remote=00000000000000000000000000000000

Content-Length:0

Timestamp: 3776744222080

UTC Timestamp:3776744222080

Sep 5 07:37:02.083: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

CANCEL sip:012716816@sip.xxx.com:5060 SIP/2.0

Via: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

From: "Info info" <sip:016310967@sip.xxx.com>;tag=2FD690-251

To: <sip:012716816@sip.xxx.com>

Date: Tue, 05 Sep 2023 07:36:52 GMT

Call-ID: xxx

CSeq: 102 CANCEL

Max-Forwards: 70

Timestamp: 1693899422

Content-Length: 0

Timestamp: 3776744222083

UTC Timestamp:3776744222083

Sep 5 07:37:02.084: //191/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 200 OK

Via: SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From: "Info info"<sip:+23416310967@170.72.17.196;user=phone>;tag=1244987949-1693899410023-

To: <sip:+23412716816@eun10.bcld.webex.com;user=phone>

Date: Tue, 05 Sep 2023 07:37:02 GMT

Call-ID: xxx

CSeq: 100 CANCEL

Session-ID: 00000000000000000000000000000000;remote=3xxx

Content-Length: 0

Timestamp: 3776744222084

UTC Timestamp:3776744222084

Sep 5 07:37:02.084: //191/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

SIP/2.0 487 Request Cancelled

Via: SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From: "Info info"<sip:+23416310967@170.72.17.196;user=phone>;tag=1244987949-1693899410023-

To: <sip:+23412716816@eun10.bcld.webex.com;user=phone>;tag=3004DC-C8D

Date: Tue, 05 Sep 2023 07:37:02 GMT

Call-ID: xxx

CSeq: 100 INVITE

Allow-Events: telephone-event

Server: Cisco-SIPGateway/IOS-17.6.3a

Reason: Q.850;cause=16

Session-ID: xxx;remote=00000000000000000000000000000000

Content-Length: 0

Timestamp: 3776744222084

UTC Timestamp:3776744222084

Sep 5 07:37:02.097: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 487 Request cancelled

v: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

f: "Info info" <sip:016310967@sipxxx.com:5060>;tag=2FD690-251

t: <sip:012716816@sip.xxx.com>;tag=6BC4FDFA

i: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

CSeq: 102 INVITE

Server: CommuniGatePro/5.4.6 _community_

l: 0

Timestamp: 3776744222097

UTC Timestamp:3776744222097

Sep 5 07:37:02.098: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Received:

SIP/2.0 200 OK

v: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

f: "Info info" <sip:016310967@sip.xxx.com>;tag=2FD690-251

t: <sip:012716816@sip.xxx.com>;tag=6BC4FDFA

i: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

CSeq: 102 CANCEL

Server: CommuniGatePro/5.4.6 _community_

l: 0

Timestamp: 3776744222098

UTC Timestamp:3776744222098

Sep 5 07:37:02.099: //192/CF53C238808E/SIP/Msg/ccsipDisplayMsg:

Sent:

ACK sip:012716816@sip.xxx.com:5060 SIP/2.0

Via: SIP/2.0/UDP 105.235.207.178:5060;branch=z9hG4bK7A13E0

From: "Info info" <sip:016310967@sip.xxs.com>;tag=2FD690-251

To: <sip:012716816@sip.xxs.com>;tag=6BC4FDFA

Date: Tue, 05 Sep 2023 07:36:52 GMT

Call-ID: CF55489C-4AF511EE-8094CDE2-2CA8CA59@105.235.207.178

Max-Forwards: 70

CSeq: 102 ACK

Allow-Events: kpml, telephone-event

Session-ID: xxx;remote=00000000000000000000000000000000

Content-Length: 0

Timestamp: 3776744222099

UTC Timestamp:3776744222099

Sep 5 07:37:02.218: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:

Received:

ACK sip:+23412716816@105.235.207.178:5061;transport=tls;dtg=ipnx2023_lgu SIP/2.0

Via:SIP/2.0/TLS 170.72.17.196:8934;branch=z9hG4bKBroadworksSSE.-105.235.207.178V23126-0-100-1244987949-1693899410023-

From:"Info info"<sip:+23416310967@170.72.17.196;user=phone>;tag=1244987949-1693899410023-

To:<sip:+23412716816@eun10.bcld.webex.com;user=phone>;tag=3004DC-C8D

Call-ID:xxx

CSeq:100 ACK

Session-ID:00000000000000000000000000000000;remote=3xxx

Max-Forwards:10

Content-Length:0

Timestamp: 3776744222218

UTC Timestamp:3776744222218

--Paul

4 Replies 4

Were you able to solve your problem? I have the same scenario and I see that the cacel is sent by WxC since it does not receive SIP messages for 12 seconds

What does you setuo look like? Do you have a LGW for you Webex Calling users? Is the LGW also connected to a UCM?

In your SIP trace, which ip address is what (device, LGW, UCM, itsp..)?

In case you've the setup itsp<->LGW<->WxC<->device, have you configured the LGW according to the guide?

Many thanks for responding.

What does you setuo look like? Do you have a LGW for you Webex Calling users? Is the LGW also connected to a UCM?

Yes LGW is setup. I connected it to UCM to test calling using the same ITSP and the call is successful

In your SIP trace, which ip address is what (device, LGW, UCM, itsp..)?

device - 170.72.17.196,

LGW - 105.235.207.178,

UCM - This is not in the trace and UCM is not in the call path. This call is from the Webex App,

itsp - sip.ipnxtelecoms.com..

In case you've the setup itsp<->LGW<->WxC<->device, have you configured the LGW according to the guide?

The LGW is setup exactly according to the guide and works fine for incoming call.

I set up a phone on CUCM to route calls to the same CUBE without changing the CUBE configuration and the calls completed successfully but when i make the same call using Webex, the call fails.

Can anyone help?

--Paul

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