<--- Transmitting SIP request (1008 bytes) to UDP:10.0.0.5:58230 ---> INVITE sip:1001@10.0.0.5:58230;ob SIP/2.0 Via: SIP/2.0/UDP 10.0.0.79:5060;rport;branch=z9hG4bKPjaee96ee9-9613-4ffe-98f6-0fe73279305e From: ;tag=55b30b0d-ec90-4fe1-aba6-d072e29ffa70 To: Contact: Call-ID: 932786e2-eb43-4bf7-a861-8d2b2e06404a CSeq: 3032 INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, MESSAGE, REFER Supported: 100rel, timer, replaces, norefersub, histinfo Session-Expires: 1800 Min-SE: 90 Diversion: ;reason=unconditional History-Info: ;index=1 Max-Forwards: 70 User-Agent: Asterisk PBX 16.15.0 Content-Type: application/sdp Content-Length: 237 v=0 o=- 1559908853 1559908853 IN IP4 10.0.0.79 s=Asterisk c=IN IP4 10.0.0.79 t=0 0 m=audio 18026 RTP/AVP 8 101 a=rtpmap:8 PCMA/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 a=maxptime:150 a=sendrecv <--- Received SIP response (333 bytes) from UDP:10.0.0.5:58230 ---> SIP/2.0 100 Trying Via: SIP/2.0/UDP 10.0.0.79:5060;rport=5060;received=10.0.0.79;branch=z9hG4bKPjaee96ee9-9613-4ffe-98f6-0fe73279305e Call-ID: 932786e2-eb43-4bf7-a861-8d2b2e06404a From: ;tag=55b30b0d-ec90-4fe1-aba6-d072e29ffa70 To: CSeq: 3032 INVITE Content-Length: 0 <--- Received SIP response (503 bytes) from UDP:10.0.0.5:58230 ---> SIP/2.0 180 Ringing Via: SIP/2.0/UDP 10.0.0.79:5060;rport=5060;received=10.0.0.79;branch=z9hG4bKPjaee96ee9-9613-4ffe-98f6-0fe73279305e Call-ID: 932786e2-eb43-4bf7-a861-8d2b2e06404a From: ;tag=55b30b0d-ec90-4fe1-aba6-d072e29ffa70 To: ;tag=dd52e580913241b68712fed3160a118f CSeq: 3032 INVITE Contact: Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS Content-Length: 0