PROXY ASTERISK EXT-PEER 10.10.10.36 10.10.10.123 20.20.20.99 | | | |------ INVITE ------>| | |<----- TRYING -------| | | |------- INVITE ------>| | |<------ TRYING -------| | |<------ TRYING -------| | |<------ RINGING ------| |<----- RINGING ------| | | |<------ RINGING ------| | | | | | | |------ CANCEL ------>| | |<------- OK ---------| | |<------- ACK --------| | | |------- CANCEL ------>| | |------- CANCEL ------>| | |------- CANCEL ------>| | |<------ TRYING -------| | |<------ RINGING ------| | |<----- BUSY HERE -----| | |<-------- ACK --------| | | | ================================================================================ ==================================== CAPTURE 1 ================================= ================================================================================ U 2008/02/27 13:22:49.244712 10.10.10.36:5060 -> 10.10.10.123:5060 INVITE sip:50412128404000@10.10.10.123:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK28478392a4200112. From: ;tag=28478392a4. To: . Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. CSeq: 200112 INVITE. Supported: timer, replaces. Min-SE: 1800. Date: Wed, 27 Feb 2008 13:22:48 GMT. User-Agent: AddPac SIP Gateway. Contact: . Accept: application/sdp. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, UPDATE, REFER, NOTIFY, INFO. Content-Type: application/sdp. Content-Length: 263. Max-Forwards: 16. . v=0. o=16157905000 1204118568 1204118568 IN IP4 10.10.10.80. s=AddPac Gateway SDP. c=IN IP4 10.10.10.80. t=1204118568 0. m=audio 24842 RTP/AVP 18 4 101. a=rtpmap:18 G729/8000. a=rtpmap:4 G723/8000. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=ptime:20. U 2008/02/27 13:22:49.245310 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK28478392a4200112. Record-Route: . From: ;tag=28478392a4. To: . Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. CSeq: 200112 INVITE. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 13:22:49.245978 10.10.10.123:5060 -> 20.20.20.99:5060 INVITE sip:12128404000@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport. From: "16157905000" ;tag=as4f4924dc. To: . Contact: . Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: B2BUA. Max-Forwards: 70. Date: Wed, 27 Feb 2008 16:22:49 GMT. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Content-Type: application/sdp. Content-Length: 244. . v=0. o=root 25663 25663 IN IP4 10.10.10.123. s=session. c=IN IP4 10.10.10.123. t=0 0. m=audio 13212 RTP/AVP 18 101. a=rtpmap:18 G729/8000. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-16. a=silenceSupp:off - - - -. a=ptime:20. a=sendrecv. U 2008/02/27 13:22:49.472326 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. To: . From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. Content-Length: 0. . U 2008/02/27 13:22:49.575101 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. Max-Forwards: 70. To: . From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. Content-Length: 0. . U 2008/02/27 13:22:49.749296 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=cdee1d78. From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 13:22:49.749456 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK28478392a4200112. Record-Route: . From: ;tag=28478392a4. To: ;tag=as2aeff976. Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. CSeq: 200112 INVITE. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 13:23:49.768494 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=cdee1d78. From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 13:23:54.464567 10.10.10.36:5060 -> 10.10.10.123:5060 CANCEL sip:50412128404000@10.10.10.123:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK28478392a4200112. From: ;tag=28478392a4. To: . Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. CSeq: 200112 CANCEL. Date: Wed, 27 Feb 2008 13:23:54 GMT. User-Agent: AddPac SIP Gateway. Content-Length: 0. Max-Forwards: 16. . U 2008/02/27 13:23:54.474542 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK28478392a4200112. Record-Route: . From: ;tag=28478392a4. To: ;tag=as2aeff976. Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. CSeq: 200112 CANCEL. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 13:23:54.475877 10.10.10.36:5060 -> 10.10.10.123:5060 ACK sip:50412128404000@10.10.10.123:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bK46f6.cf092474.0. From: ;tag=28478392a4. Call-ID: 2864c547-99b7-8390-dc92-0002a40217d0@10.10.10.80. To: ;tag=as2aeff976. CSeq: 200112 ACK. User-Agent: Sip EXpress router(0.9.3 (i386/linux)). Content-Length: 0. . U 2008/02/27 13:23:54.484572 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12128404000@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport. From: "16157905000" ;tag=as4f4924dc. To: . Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 13:23:55.484048 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12128404000@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport. From: "16157905000" ;tag=as4f4924dc. To: . Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 13:23:56.484631 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12128404000@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport. From: "16157905000" ;tag=as4f4924dc. To: . Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 13:23:58.184858 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. To: . From: "16157905000" ;tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 CANCEL. Content-Length: 0. . U 2008/02/27 13:24:49.749502 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=cdee1d78. From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 13:24:52.085412 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 486 Busy Here. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport=5060. Max-Forwards: 70. To: ;tag=cdee1d78. From: "16157905000";tag=as4f4924dc. Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 13:24:52.085527 10.10.10.123:5060 -> 20.20.20.99:5060 ACK sip:12128404000@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK1b5485a4;rport. From: "16157905000" ;tag=as4f4924dc. To: ;tag=cdee1d78. Contact: . Call-ID: 3a002a644033c07700e758f516d48d06@b2bua.mydomain.net. CSeq: 102 ACK. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . =========================================================================== ================================ CAPTURE 2 ================================ =========================================================================== U 2008/02/27 12:19:44.563901 10.10.10.36:5060 -> 10.10.10.123:5060 INVITE sip:50412123914840@10.10.10.123:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK60479297a4199657. From: ;tag=60479297a4. To: . Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. CSeq: 199657 INVITE. Supported: timer, replaces. Min-SE: 1800. Date: Wed, 27 Feb 2008 12:19:44 GMT. User-Agent: AddPac SIP Gateway. Contact: . Accept: application/sdp. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, UPDATE, REFER, NOTIFY, INFO. Content-Type: application/sdp. Content-Length: 263. Max-Forwards: 16. . v=0. o=17186904500 1204114784 1204114784 IN IP4 10.10.10.80. s=AddPac Gateway SDP. c=IN IP4 10.10.10.80. t=1204114784 0. m=audio 23228 RTP/AVP 18 4 101. a=rtpmap:18 G729/8000. a=rtpmap:4 G723/8000. a=rtpmap:101 telephone-event/8000. a=fmtp:101 0-15. a=ptime:20. U 2008/02/27 12:19:44.564463 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK60479297a4199657. Record-Route: . From: ;tag=60479297a4. To: . Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. CSeq: 199657 INVITE. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 12:19:44.786783 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. To: . From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. Content-Length: 0. . U 2008/02/27 12:19:44.917806 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. Max-Forwards: 70. To: . From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. Content-Length: 0. . U 2008/02/27 12:19:45.358636 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=f699041f. From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 12:19:45.358928 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK60479297a4199657. Record-Route: . From: ;tag=60479297a4. To: ;tag=as7a373f23. Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. CSeq: 199657 INVITE. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 12:20:45.379687 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=f699041f. From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 12:21:38.837395 10.10.10.36:5060 -> 10.10.10.123:5060 CANCEL sip:50412123914840@10.10.10.123:5060 SIP/2.0. Record-Route: . Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK60479297a4199657. From: ;tag=60479297a4. To: . Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. CSeq: 199657 CANCEL. Date: Wed, 27 Feb 2008 12:21:38 GMT. User-Agent: AddPac SIP Gateway. Content-Length: 0. Max-Forwards: 16. . U 2008/02/27 12:21:38.857714 10.10.10.123:5060 -> 10.10.10.36:5060 SIP/2.0 200 OK. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0;received=10.10.10.36. Via: SIP/2.0/UDP 10.10.10.80:5060;branch=z9hG4bK60479297a4199657. Record-Route: . From: ;tag=60479297a4. To: ;tag=as7a373f23. Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. CSeq: 199657 CANCEL. User-Agent: B2BUA. Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. Supported: replaces. Contact: . Content-Length: 0. . U 2008/02/27 12:21:38.858795 10.10.10.36:5060 -> 10.10.10.123:5060 ACK sip:50412123914840@10.10.10.123:5060 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.36;branch=z9hG4bKffda.0ccd9551.0. From: ;tag=60479297a4. Call-ID: 6055c547-4551-92f1-d197-0002a40217d0@10.10.10.80. To: ;tag=as7a373f23. CSeq: 199657 ACK. User-Agent: Sip EXpress router(0.9.3 (i386/linux)). Content-Length: 0. . U 2008/02/27 12:21:38.879710 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12123914840@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport. From: "17186904500" ;tag=as1c439f32. To: . Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 12:21:39.879025 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12123914840@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport. From: "17186904500" ;tag=as1c439f32. To: . Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 12:21:40.879588 10.10.10.123:5060 -> 20.20.20.99:5060 CANCEL sip:12123914840@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport. From: "17186904500" ;tag=as1c439f32. To: . Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 CANCEL. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. . U 2008/02/27 12:21:42.579526 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 100 Trying. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. To: . From: "17186904500" ;tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 CANCEL. Content-Length: 0. . U 2008/02/27 12:21:45.416069 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 180 Ringing. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. Max-Forwards: 70. Record-Route: ;lr. Contact: . To: ;tag=f699041f. From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 12:21:48.388384 20.20.20.99:5060 -> 10.10.10.123:5060 SIP/2.0 486 Busy Here. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport=5060. Max-Forwards: 70. To: ;tag=f699041f. From: "17186904500";tag=as1c439f32. Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 INVITE. User-Agent: SIPEXT. Content-Length: 0. . U 2008/02/27 12:21:48.388530 10.10.10.123:5060 -> 20.20.20.99:5060 ACK sip:12123914840@20.20.20.99 SIP/2.0. Via: SIP/2.0/UDP 10.10.10.123:5060;branch=z9hG4bK3b0b5653;rport. From: "17186904500" ;tag=as1c439f32. To: ;tag=f699041f. Contact: . Call-ID: 1ac1cf2a66d6e6270dd7a5577e24dfa9@b2bua.mydomain.net. CSeq: 102 ACK. User-Agent: B2BUA. Max-Forwards: 70. Content-Length: 0. .