*Jun 18 03:05:35.378: //125/000000000000/SIP/Msg/ccsipDisplayMsg: Received: SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 24.193.57.3:5062;rport=49194;branch=z9hG4bKB3B0B From: ;tag=81C644-1FFC To: ;tag=f2c2f9a24fc69fbc2be08fc3ff76dfd4.d5140000 Call-ID: FFFFFFFFEE1EE896-FFFFFFFFB03511EA-FFFFFFFF8002F48A-FFFFFFFFD19AFFE5 CSeq: 158 REGISTER WWW-Authenticate: Digest realm="sip.telnyx.com", nonce="XurbMl7q2gYZjC3KFBaG5AlX DVuKQf8N85OKYEA=" Server: kamailio (5.3.4 (x86_64/linux)) Content-Length: 0 *Jun 18 03:05:35.379: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg: Sent: REGISTER sip:sip.telnyx.com:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.15.14:5060;branch=z9hG4bKB483C From: ;tag=81C644-1FFC To: Date: Thu, 18 Jun 2020 03:05:35 GMT Call-ID: FFFFFFFFEE1EE896-FFFFFFFFB03511EA-FFFFFFFF8002F48A-FFFFFFFFD19AFFE5 User-Agent: Cisco-SIPGateway/IOS-15.5.2.S Max-Forwards: 70 Timestamp: 1592449535 CSeq: 159 REGISTER Contact: Expires: 120 Authorization: Digest username="81hrvoip",realm="sip.telnyx.com",uri="sip:sip.te lnyx.com:5060",response="fdace35b15e0c65489f6b3de5cace5f2",nonce="XurbMl7q2gYZjC 3KFBaG5AlXDVuKQf8N85OKYEA=",algorithm=md5 Content-Length: 0 *Jun 18 03:05:35.487: //125/000000000000/SIP/Msg/ccsipDisplayMsg: Received: SIP/2.0 200 OK Via: SIP/2.0/UDP 24.193.57.3:5062;rport=49194;branch=z9hG4bKB483C From: ;tag=81C644-1FFC To: ;tag=f2c2f9a24fc69fbc2be08fc3ff76dfd4.d5140000 Call-ID: FFFFFFFFEE1EE896-FFFFFFFFB03511EA-FFFFFFFF8002F48A-FFFFFFFFD19AFFE5 CSeq: 159 REGISTER Contact: ;expires=120 Server: kamailio (5.3.4 (x86_64/linux)) Content-Length: 0