pbx# ngrep -Wbyline SIP interface: em0 (1.2.3.0/255.255.255.0) match: SIP ##################################################################################################################################################################################################### U 1.2.3.212:5060 -> 1.2.3.100:5060 INVITE sip:202@domain;user=phone;transport=udp SIP/2.0. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_301-UA/2.0.3.0127. Supported: 100rel,replaces. Allow-Events: talk,hold,conference. Max-Forwards: 70. Content-Type: application/sdp. Content-Length: 251. . v=0. o=- 1196729212 1196729212 IN IP4 1.2.3.212. s=Polycom IP Phone. c=IN IP4 1.2.3.212. t=0 0. m=audio 2232 RTP/AVP 0 8 18 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:8 PCMA/8000. a=rtpmap:18 G729/8000. a=rtpmap:101 telephone-event/8000. # U 1.2.3.100:61556 -> 1.2.3.212:5060 SIP/2.0 100 Trying. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . Call-Id: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Cseq: 1 INVITE. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. Content-Length: 0. . ######################################################################## U 1.2.3.100:54982 -> 1.2.3.213:5060 INVITE sip:202@1.2.3.213 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . Cseq: 1 INVITE. Call-Id: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_301-UA/2.0.3.0127. Supported: 100rel,replaces. Allow-Events: talk,hold,conference. Max-Forwards: 18. Content-Type: application/sdp. Content-Length: 251. Date: Tue, 04 Dec 2007 00:46:56 GMT. . v=0. o=- 1196729212 1196729212 IN IP4 1.2.3.212. s=Polycom IP Phone. c=IN IP4 1.2.3.212. t=0 0. m=audio 2232 RTP/AVP 0 8 18 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:8 PCMA/8000. a=rtpmap:18 G729/8000. a=rtpmap:101 telephone-event/8000. ### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Length: 0. . ### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Allow-Events: talk,hold,conference. Require: 100rel. RSeq: 8193. Content-Length: 0. . ###################################################### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714453 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ############### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714453 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ###### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ############# U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ################ U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ########################## U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ######################### T 1.2.3.100:49471 -> 1.2.3.202:63056 [AP] INVITE sip:202@1.2.3.202:63056;rinstance=0a2b2b79bd1942f8;transport=TCP SIP/2.0. Record-Route: . Via: SIP/2.0/TCP 1.2.3.100:5080;branch=z9hG4bK-66c11548b42a19363a85b1823f2e7dc7. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-4b9f41dd534b8ac1b40a8c30058c2a25. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . Cseq: 1 INVITE. Call-Id: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_301-UA/2.0.3.0127. Supported: 100rel,replaces. Allow-Events: talk,hold,conference. Max-Forwards: 18. Content-Type: application/sdp. Content-Length: 251. Date: Tue, 04 Dec 2007 00:46:56 GMT. . v=0. o=- 1196729212 1196729212 IN IP4 1.2.3.212. s=Polycom IP Phone. c=IN IP4 1.2.3.212. t=0 0. m=audio 2232 RTP/AVP 0 8 18 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:8 PCMA/8000. a=rtpmap:18 G729/8000. a=rtpmap:101 telephone-event/8000. ############################# U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ################################################################################################################################### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000. ########################################################################################################################################### U 1.2.3.100:63952 -> 1.2.3.212:5060 SIP/2.0 408 Request timeout. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . Call-Id: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Cseq: 1 INVITE. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. Server: sipX/3.6.0 sipX/forkingproxy (FreeBSD). Content-Length: 0. . ### U 1.2.3.212:5060 -> 1.2.3.100:5060 ACK sip:202@domain SIP/2.0. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: . CSeq: 1 ACK. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_301-UA/2.0.3.0127. Max-Forwards: 70. Content-Length: 0. . ####################################################################################################################################################################################################################### U 1.2.3.213:5060 -> 1.2.3.100:5080 SIP/2.0 200 OK. Via: SIP/2.0/UDP 1.2.3.100:5080;branch=z9hG4bK-b95692b6f24c91de3844377a0e8d8047. Via: SIP/2.0/TCP 1.2.3.100;branch=z9hG4bK-35e0e146225b620d205caab070dc2be7. Via: SIP/2.0/UDP 1.2.3.212;branch=z9hG4bK7fbd69ccA5892555. From: "Stuart Gemmell" ;tag=D798CF2-6C074419. To: ;tag=E9415B6E-C968DBCD. CSeq: 1 INVITE. Call-ID: a96777ee-22ba5650-ae6ffa97@1.2.3.212. Contact: . Record-Route: . Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, INFO, MESSAGE, SUBSCRIBE, NOTIFY, PRACK, UPDATE, REFER. User-Agent: PolycomSoundPointIP-SPIP_501-UA/2.0.3.0127. Content-Type: application/sdp. Content-Length: 201. . v=0. o=- 1196714453 1196714454 IN IP4 1.2.3.213. s=Polycom IP Phone. c=IN IP4 1.2.3.213. t=0 0. m=audio 2232 RTP/AVP 0 101. a=sendrecv. a=rtpmap:0 PCMU/8000. a=rtpmap:101 telephone-event/8000.