11 -> 2* root@comcerto:~# tcpdump -vvv -i any port 5060 tcpdump: listening on any, link-type LINUX_SLL (Linux cooked v1), capture size 262144 bytes 06:17:56.366099 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1288) localhost..6060 > localhost..5060: [bad udp cksum 0x0308 -> 0xa7fc!] SIP, length: 1260 INVITE sip:2*@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK313590094 From: ;tag=1420045302 To: Call-ID: 2121056236 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: FXS Allow-Events: conference Supported: replaces,timer,100rel Content-Length: 751 v=0 o=gateway 0 4 IN IP4 192.168.20.104 s=conversation c=IN IP4 192.168.20.104 t=0 0 m=audio 10002 RTP/SAVP 8 0 4 18 101 13 98 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fWi7GvqWluIv6eFEvuxMPo6sxbhBbVdXeB6d7/zw a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:Vyo8l54oj+CXMh5Mdi4tFq904nPkVrfOU83uIYoe a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 m=audio 10002 RTP/AVP 8 0 4 18 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 06:17:56.387562 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1448) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xafc6 -> 0x1076!] SIP, length: 1420 INVITE sip:22@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 Max-Forwards: 69 Record-Route: Contact: To: From: ;tag=1420045302 Call-ID: 2121056236 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: FXS Content-Length: 751 v=0 o=gateway 0 4 IN IP4 192.168.20.104 s=conversation c=IN IP4 192.168.20.104 t=0 0 m=audio 10002 RTP/SAVP 8 0 4 18 101 13 98 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fWi7GvqWluIv6eFEvuxMPo6sxbhBbVdXeB6d7/zw a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:Vyo8l54oj+CXMh5Mdi4tFq904nPkVrfOU83uIYoe a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 m=audio 10002 RTP/AVP 8 0 4 18 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 06:17:56.412529 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1607) localhost..5060 > localhost..6060: [bad udp cksum 0x0447 -> 0x65cf!] SIP, length: 1579 INVITE sip:22@127.0.0.1:6060;transport=udp SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 Max-Forwards: 68 Record-Route: Record-Route: Contact: To: From: ;tag=1420045302 Call-ID: 2121056236 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: FXS Content-Length: 751 v=0 o=gateway 0 4 IN IP4 192.168.20.104 s=conversation c=IN IP4 192.168.20.104 t=0 0 m=audio 10002 RTP/SAVP 8 0 4 18 101 13 98 a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:fWi7GvqWluIv6eFEvuxMPo6sxbhBbVdXeB6d7/zw a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:Vyo8l54oj+CXMh5Mdi4tFq904nPkVrfOU83uIYoe a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 m=audio 10002 RTP/AVP 8 0 4 18 101 13 98 a=rtpmap:8 PCMA/8000 a=rtpmap:0 PCMU/8000 a=rtpmap:4 G723/8000 a=rtpmap:18 G729/8000 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 06:17:56.420531 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 455) localhost..6060 > localhost..5060: [bad udp cksum 0xffc6 -> 0xea18!] SIP, length: 427 SIP/2.0 100 Trying Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport=5060 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 From: ;tag=1420045302 To: Call-ID: 2121056236 CSeq: 20 INVITE User-Agent: eXosip/5.3.0 Content-Length: 0 06:17:56.458539 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 833) localhost..6060 > localhost..5060: [bad udp cksum 0x0141 -> 0xf1ac!] SIP, length: 805 SIP/2.0 180 Ringing Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport=5060 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 Record-Route: Record-Route: From: ;tag=1420045302 To: ;tag=161636353 Call-ID: 2121056236 CSeq: 20 INVITE Contact: Allow: INVITE,ACK,BYE,CANCEL,OPTIONS,REFER,NOTIFY,INFO,UPDATE,PRACK,SUBSCRIBE User-Agent: eXosip/5.3.0 Allow-Events: conference Supported: replaces,timer,100rel P-Asserted-Identity: Require: 100rel RSeq: 100 Content-Length: 0 06:17:56.460407 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 250) localhost..5060 > localhost..6060: [bad udp cksum 0xfef9 -> 0xf616!] SIP, length: 222 SIP/2.0 100 Trying Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 To: From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 INVITE Content-Length: 0 06:17:56.471557 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 758) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xad14 -> 0xed80!] SIP, length: 730 SIP/2.0 180 Ringing Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 Record-Route: Record-Route: Require: 100rel Contact: To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference RSeq: 100 P-Asserted-Identity: Content-Length: 0 06:17:56.485077 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 666) localhost..5060 > localhost..6060: [bad udp cksum 0x009a -> 0x41ca!] SIP, length: 638 SIP/2.0 180 Ringing Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 Record-Route: Record-Route: Require: 100rel Contact: To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 INVITE Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, REFER, NOTIFY, INFO, UPDATE, PRACK, SUBSCRIBE Supported: replaces, timer, 100rel User-Agent: eXosip/5.3.0 Allow-Events: conference RSeq: 100 P-Asserted-Identity: Content-Length: 0 06:17:56.495837 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 477) localhost..6060 > localhost..5060: [bad udp cksum 0xffdc -> 0xfac0!] SIP, length: 449 PRACK sip:2*@127.0.0.1:6060 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK1620608770 Route: Route: From: ;tag=1420045302 To: ;tag=161636353 Call-ID: 2121056236 CSeq: 21 PRACK Contact: Max-Forwards: 70 User-Agent: eXosip/5.3.0 RAck: 100 20 INVITE Content-Length: 0 06:17:56.508822 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 518) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xac24 -> 0x8ed4!] SIP, length: 490 PRACK sip:2*@127.0.0.1:6060 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---c7d61f4ffcf6d15c;rport Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1620608770 Max-Forwards: 69 Route: Contact: To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 21 PRACK User-Agent: eXosip/5.3.0 RAck: 100 20 INVITE Content-Length: 0 06:17:56.519716 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 554) localhost..5060 > localhost..6060: [bad udp cksum 0x002a -> 0xdea4!] SIP, length: 526 PRACK sip:2*@127.0.0.1:6060 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---b809a61422e4dc3c;rport Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---c7d61f4ffcf6d15c;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK1620608770 Max-Forwards: 68 Contact: To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 21 PRACK User-Agent: eXosip/5.3.0 RAck: 100 20 INVITE Content-Length: 0 06:18:05.745442 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 307) localhost..6060 > localhost..5060: [bad udp cksum 0xff32 -> 0xcc40!] SIP, length: 279 CANCEL sip:2*@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK313590094 From: ;tag=1420045302 To: Call-ID: 2121056236 CSeq: 20 CANCEL Max-Forwards: 70 User-Agent: eXosip/5.3.0 Content-Length: 0 06:18:05.757995 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 259) localhost..5060 > localhost..6060: [bad udp cksum 0xff02 -> 0xa41c!] SIP, length: 231 SIP/2.0 200 OK Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 To: ;tag=dde1e54c From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 CANCEL Content-Length: 0 06:18:05.758420 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 305) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xab4f -> 0x3b6d!] SIP, length: 277 CANCEL sip:22@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport Max-Forwards: 70 To: From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 CANCEL Content-Length: 0 06:18:05.771958 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 283) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xab39 -> 0xee01!] SIP, length: 255 SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 To: ;tag=509ec444 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 CANCEL Content-Length: 0 06:18:05.772423 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 314) localhost..5060 > localhost..6060: [bad udp cksum 0xff39 -> 0x60ce!] SIP, length: 286 CANCEL sip:22@127.0.0.1:6060;transport=udp SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport Max-Forwards: 70 To: From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 CANCEL Content-Length: 0 06:18:05.787996 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 305) localhost..6060 > localhost..5060: [bad udp cksum 0xff30 -> 0xb4bb!] SIP, length: 277 SIP/2.0 200 OK Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport=5060 From: ;tag=1420045302 To: ;tag=161636353 Call-ID: 2121056236 CSeq: 20 CANCEL User-Agent: eXosip/5.3.0 Content-Length: 0 06:18:05.795634 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 481) localhost..6060 > localhost..5060: [bad udp cksum 0xffe0 -> 0xd5bf!] SIP, length: 453 SIP/2.0 487 Request Terminated Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport=5060 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 From: ;tag=1420045302 To: ;tag=161636353 Call-ID: 2121056236 CSeq: 20 INVITE User-Agent: eXosip/5.3.0 Content-Length: 0 06:18:05.806396 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 322) localhost..5060 > localhost..6060: [bad udp cksum 0xff41 -> 0x9ca8!] SIP, length: 294 ACK sip:22@127.0.0.1:6060;transport=udp SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---382f6b4c263cf55d;rport Max-Forwards: 70 To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 ACK Content-Length: 0 06:18:05.812110 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 394) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xaba8 -> 0xb846!] SIP, length: 366 SIP/2.0 487 Request Terminated Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport=5060 Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 INVITE User-Agent: eXosip/5.3.0 Content-Length: 0 06:18:05.822580 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 313) 192.168.20.104.5060 > 192.168.20.104.5060: [bad udp cksum 0xab57 -> 0x3b83!] SIP, length: 285 ACK sip:22@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 192.168.20.104:5060;branch=z9hG4bK-524287-1---1161f126e1d21659;rport Max-Forwards: 70 To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 ACK Content-Length: 0 06:18:05.828466 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 302) localhost..5060 > localhost..6060: [bad udp cksum 0xff2d -> 0xbbe0!] SIP, length: 274 SIP/2.0 487 Request Terminated Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK313590094 To: ;tag=161636353 From: ;tag=1420045302 Call-ID: 2121056236 CSeq: 20 INVITE User-Agent: eXosip/5.3.0 Content-Length: 0 06:18:05.844934 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 271) localhost..6060 > localhost..5060: [bad udp cksum 0xff0e -> 0x3a88!] SIP, length: 243 ACK sip:2*@192.168.20.104 SIP/2.0 Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK313590094 From: ;tag=1420045302 To: ;tag=161636353 Call-ID: 2121056236 CSeq: 20 ACK Content-Length: 0 23 packets captured 53 packets received by filter 5 packets dropped by kernel