root@comcerto:/# tcpdump -i any port 5060 -v tcpdump: listening on any, link-type LINUX_SLL (Linux cooked v1), capture size 262144 bytes 09:06:20.990648 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1016) localhost..6060 > localhost..5060: SIP, length: 988 INVITE sip:22@192.168.20.120 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK545407604 From: ;tag=1229636896 To: Call-ID: 1867042606 CSeq: 20 INVITE Contact: Content-Type: application/sdp Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE Max-Forwards: 70 User-Agent: eXosip/5.3.0 X-Endpoint-Type: FS01 Allow-Events: conference Supported: replaces,timer,100rel Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:21.018664 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:21.102715 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 250) localhost..5060 > localhost..6060: SIP, length: 222 SIP/2.0 100 Trying Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Content-Length: 0 09:06:21.526627 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:22.542576 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:24.522571 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:28.542615 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:36.522677 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:52.542592 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1189) 192.168.20.120.5060 > 192.168.0.124.5060: SIP, length: 1161 INVITE sip:22@192.168.0.124:5060;line=255 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.120:5060;branch=z9hG4bK-524287-1---ff16916dd2e7f057;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Content-Type: application/sdp Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference X-Endpoint-Type: FS01 Content-Length: 478 v=0 o=gateway 0 3 IN IP4 192.168.20.120 s=conversation c=IN IP4 192.168.20.120 t=0 0 m=audio 10508 RTP/AVP 8 0 4 9 18 100 96 99 97 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:9 G722/8000 a=rtpmap:18 G729/8000 a=rtpmap:100 G726-40/8000 a=rtpmap:96 G726-32/8000 a=rtpmap:99 G726-24/8000 a=rtpmap:97 G726-16/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=rtpmap:13 CN/8000 a=rtpmap:98 PCMA/8000 a=gpmd:98 vbd=yes 09:06:53.022231 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 272) localhost..5060 > localhost..6060: SIP, length: 244 SIP/2.0 408 Request Timeout Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK545407604 To: ;tag=37029a3f From: ;tag=1229636896 Call-ID: 1867042606 CSeq: 20 INVITE Content-Length: 0 09:06:53.026573 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 270) localhost..6060 > localhost..5060: SIP, length: 242 ACK sip:22@192.168.20.120 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK545407604 From: ;tag=1229636896 To: ;tag=37029a3f Call-ID: 1867042606 CSeq: 20 ACK Content-Length: 0 11 packets captured 15 packets received by filter 0 packets dropped by kernel root@comcerto:/#