U 10.10.9.134:5061 -> 10.10.9.35:5060 INVITE sip:1001@10.10.9.35:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.9.134:5061;branch=z9hG4bK-ec3015e0. From: ;tag=94624d7e174ff9ao1. To: "tercera " ;tag=as49093d81. Call-ID: 797d375b-cbd36ee6@10.10.9.134. CSeq: 103 INVITE. Max-Forwards: 70. Authorization: Digest username="segunda",realm="asterisk",nonce="70897a2d",uri="sip:1001@10.10.9.35:5060",algorithm=MD5,response="a2715ed91b2ce7163d4a552dc7852348". Contact: . Expires: 30. User-Agent: Cisco/SPA504G-7.4.9c. Content-Length: 200. Content-Type: application/sdp. . v=0. o=- 197638 197639 IN IP4 10.10.9.134. s=-. c=IN IP4 0.0.0.0. t=0 0. m=audio 16442 RTP/AVP 8 101. a=rtpmap:8 PCMA/8000. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=ptime:30. a=sendonly. U 10.10.9.35:5060 -> 10.10.9.134:5061 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.9.134:5061;branch=z9hG4bK-ec3015e0;received=10.10.9.134. From: ;tag=94624d7e174ff9ao1. To: "tercera " ;tag=as49093d81. Call-ID: 797d375b-cbd36ee6@10.10.9.134. CSeq: 103 INVITE. Server: "Irontec IVOZ". Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH. Supported: replaces, timer. Contact: . Content-Length: 0. . U 10.10.9.35:5060 -> 10.10.9.134:5061 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.9.134:5061;branch=z9hG4bK-ec3015e0;received=10.10.9.134. From: ;tag=94624d7e174ff9ao1. To: "tercera " ;tag=as49093d81. Call-ID: 797d375b-cbd36ee6@10.10.9.134. CSeq: 103 INVITE. Server: "Irontec IVOZ". Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH. Supported: replaces, timer. Contact: . Content-Type: application/sdp. Content-Length: 248. . v=0. o=root 1961581597 1961581598 IN IP4 10.10.9.131. s=Asterisk PBX 1.8.2.3 (RSP (Community supported branch) 1.8.2.3). c=IN IP4 10.10.9.131. t=0 0. m=audio 16526 RTP/AVP 8. a=rtpmap:8 PCMA/8000. a=silenceSupp:off - - - -. a=ptime:20. a=recvonly. U 10.10.9.35:5060 -> 10.10.9.131:5060 UPDATE sip:CBT143303QP@10.10.9.131:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.9.35:5060;branch=z9hG4bK684588a9. Max-Forwards: 70. From: "segunda " ;tag=as09512d5c. To: ;tag=437c37e2615b3107i0. Contact: . Call-ID: 0b4968451c2b5ab750af03cc2f384088@10.10.9.35:5060. CSeq: 104 UPDATE. User-Agent: "Irontec IVOZ". Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH. Supported: replaces, timer. Remote-Party-ID: "segunda " ;party=calling;privacy=off;screen=no. Content-Type: application/sdp. Content-Length: 244. . v=0. o=root 648125362 648125364 IN IP4 10.10.9.35. s=Asterisk PBX 1.8.2.3 (RSP (Community supported branch) 1.8.2.3). c=IN IP4 10.10.9.35. t=0 0. m=audio 14676 RTP/AVP 8. a=rtpmap:8 PCMA/8000. a=silenceSupp:off - - - -. a=ptime:20. a=sendrecv. U 10.10.9.134:5061 -> 10.10.9.35:5060 ACK sip:1001@10.10.9.35:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.9.134:5061;branch=z9hG4bK-deb42176. From: ;tag=94624d7e174ff9ao1. To: "tercera " ;tag=as49093d81. Call-ID: 797d375b-cbd36ee6@10.10.9.134. CSeq: 103 ACK. Max-Forwards: 70. Authorization: Digest username="segunda",realm="asterisk",nonce="70897a2d",uri="sip:1001@10.10.9.35:5060",algorithm=MD5,response="a2715ed91b2ce7163d4a552dc7852348". Contact: . User-Agent: Cisco/SPA504G-7.4.9c. Content-Length: 0. . U 10.10.9.131:5060 -> 10.10.9.35:5060 SIP/2.0 200 OK. To: ;tag=437c37e2615b3107i0. From: "segunda " ;tag=as09512d5c. Call-ID: 0b4968451c2b5ab750af03cc2f384088@10.10.9.35:5060. CSeq: 104 UPDATE. Via: SIP/2.0/UDP 10.10.9.35:5060;branch=z9hG4bK684588a9. Contact: . Server: Cisco/SPA504G-7.4.9c. Content-Length: 146. Content-Type: application/sdp. . v=0. o=- 42242 42244 IN IP4 10.10.9.131. s=-. c=IN IP4 10.10.9.131. t=0 0. m=audio 16526 RTP/AVP 8. a=rtpmap:8 PCMA/8000. a=ptime:30. a=sendrecv.