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
06:19:14.606958 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1291)
    localhost..6060 > localhost..5060: [bad udp cksum 0x030b -> 0x0c63!] SIP, length: 1263
        INVITE sip:2%23@192.168.20.104 SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK257883665
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>
        Call-ID: 1336512045
        CSeq: 20 INVITE
        Contact: <sip:11@127.0.0.1:6060>
        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 5 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:ZhV5AY8vsjiLORlUOnca02Ryyecak+CBG8U7s5lV
        a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:+uEx5Lbkpehtged3HbpxtbnyjiZW/Kk7exTnTn4Q
        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
06:19:14.630901 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1485)
    localhost..5060 > localhost..6060: [bad udp cksum 0x03cd -> 0x5b92!] SIP, length: 1457
        INVITE sip:2%23@127.0.0.1:6060;transport=udp SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---fb353974ea9b5f79;rport
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        Max-Forwards: 69
        Record-Route: <sip:192.168.20.104:5060;transport=udp;lr>
        Contact: <sip:11@127.0.0.1:6060>
        To: <sip:2%23@192.168.20.104>
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        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
        X-Secure-Transport: yes
        Content-Length: 751

        v=0
        o=gateway 0 5 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:ZhV5AY8vsjiLORlUOnca02Ryyecak+CBG8U7s5lV
        a=crypto:2 AES_CM_128_HMAC_SHA1_32 inline:+uEx5Lbkpehtged3HbpxtbnyjiZW/Kk7exTnTn4Q
        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
06:19:14.639664 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 364)
    localhost..6060 > localhost..5060: [bad udp cksum 0xff6b -> 0x5cf8!] SIP, length: 336
        SIP/2.0 100 Trying
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---fb353974ea9b5f79;rport=5060
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>
        Call-ID: 1336512045
        CSeq: 20 INVITE
        User-Agent: eXosip/5.3.0
        Content-Length: 0

06:19:14.707508 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 251)
    localhost..5060 > localhost..6060: [bad udp cksum 0xfefa -> 0xb3fb!] SIP, length: 223
        SIP/2.0 100 Trying
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        To: <sip:2%23@192.168.20.104>
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        CSeq: 20 INVITE
        Content-Length: 0

06:19:14.780121 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1012)
    localhost..6060 > localhost..5060: [bad udp cksum 0x01f4 -> 0xd2b6!] SIP, length: 984
        SIP/2.0 183 Session Progress
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---fb353974ea9b5f79;rport=5060
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        Record-Route: <sip:192.168.20.104:5060;transport=udp;lr>
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>;tag=896003446
        Call-ID: 1336512045
        CSeq: 20 INVITE
        Contact: <sip:2%23@127.0.0.1:6060>
        Content-Type: application/sdp
        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
        Require: 100rel
        RSeq: 100
        Content-Length:   328

        v=0
        o=gateway 0 0 IN IP4 192.168.20.104
        s=conversation
        c=IN IP4 192.168.20.104
        t=0 0
        m=audio 12002 RTP/SAVP 8 101
        a=rtpmap:8 PCMA/8000
        a=rtpmap:101 telephone-event/8000
        a=fmtp:101 0-15
        a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:MN/064Es+zKEXCOBeWwfHMBZBy58FIv9GW4n9NhR
        a=sendrecv
        m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:19:14.798195 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 935)
    localhost..5060 > localhost..6060: [bad udp cksum 0x01a7 -> 0x2269!] SIP, length: 907
        SIP/2.0 183 Session Progress
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        Record-Route: <sip:192.168.20.104:5060;transport=udp;lr>
        Require: 100rel
        Contact: <sip:2%23@127.0.0.1:6060>
        To: <sip:2%23@192.168.20.104>;tag=896003446
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        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
        RSeq: 100
        Content-Length: 328

        v=0
        o=gateway 0 0 IN IP4 192.168.20.104
        s=conversation
        c=IN IP4 192.168.20.104
        t=0 0
        m=audio 12002 RTP/SAVP 8 101
        a=rtpmap:8 PCMA/8000
        a=rtpmap:101 telephone-event/8000
        a=fmtp:101 0-15
        a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:MN/064Es+zKEXCOBeWwfHMBZBy58FIv9GW4n9NhR
        a=sendrecv
        m=audio 0 RTP/AVP 8 0 4 18 101 13 98
06:19:14.809844 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 428)
    localhost..6060 > localhost..5060: [bad udp cksum 0xffab -> 0x209b!] SIP, length: 400
        PRACK sip:2%23@127.0.0.1:6060 SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK805354013
        Route: <sip:192.168.20.104:5060;transport=udp;lr>
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>;tag=896003446
        Call-ID: 1336512045
        CSeq: 21 PRACK
        Contact: <sip:11@127.0.0.1:6060>
        Max-Forwards: 70
        User-Agent: eXosip/5.3.0
        RAck: 100 20 INVITE
        Content-Length: 0

06:19:14.831488 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 464)
    localhost..5060 > localhost..6060: [bad udp cksum 0xffcf -> 0x4d76!] SIP, length: 436
        PRACK sip:2%23@127.0.0.1:6060 SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---3b5e3a0127f8ad7a;rport
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK805354013
        Max-Forwards: 69
        Contact: <sip:11@127.0.0.1:6060>
        To: <sip:2%23@192.168.20.104>;tag=896003446
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        CSeq: 21 PRACK
        User-Agent: eXosip/5.3.0
        RAck: 100 20 INVITE
        Content-Length: 0

06:19:14.840398 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 548)
    localhost..6060 > localhost..5060: [bad udp cksum 0x0024 -> 0xcade!] SIP, length: 520
        SIP/2.0 200 OK
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---3b5e3a0127f8ad7a;rport=5060
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK805354013
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>;tag=896003446
        Call-ID: 1336512045
        CSeq: 21 PRACK
        Contact: <sip:2%23@127.0.0.1:6060>
        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
        Content-Length: 0

06:19:14.869863 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 473)
    localhost..5060 > localhost..6060: [bad udp cksum 0xffd8 -> 0x7309!] SIP, length: 445
        SIP/2.0 200 OK
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK805354013
        Contact: <sip:2%23@127.0.0.1:6060>
        To: <sip:2%23@192.168.20.104>;tag=896003446
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        CSeq: 21 PRACK
        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
        Content-Length: 0


06:19:18.651403 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 520)
    localhost..6060 > localhost..5060: [bad udp cksum 0x0008 -> 0x16af!] SIP, length: 492
        SIP/2.0 404 Not Found
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---fb353974ea9b5f79;rport=5060
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>;tag=896003446
        Call-ID: 1336512045
        CSeq: 20 INVITE
        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
        Content-Length: 0

06:19:18.661660 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 325)
    localhost..5060 > localhost..6060: [bad udp cksum 0xff44 -> 0x285e!] SIP, length: 297
        ACK sip:2%23@127.0.0.1:6060;transport=udp SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:5060;branch=z9hG4bK-524287-1---fb353974ea9b5f79;rport
        Max-Forwards: 70
        To: <sip:2%23@192.168.20.104>;tag=896003446
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        CSeq: 20 ACK
        Content-Length: 0

06:19:18.664853 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 445)
    localhost..5060 > localhost..6060: [bad udp cksum 0xffbc -> 0x5d26!] SIP, length: 417
        SIP/2.0 404 Not Found
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport=6060;branch=z9hG4bK257883665
        To: <sip:2%23@192.168.20.104>;tag=896003446
        From: <sip:11@192.168.20.104>;tag=318688453
        Call-ID: 1336512045
        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
        Content-Length: 0

06:19:18.686783 IP (tos 0x68, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 274)
    localhost..6060 > localhost..5060: [bad udp cksum 0xff11 -> 0x0bef!] SIP, length: 246
        ACK sip:2%23@192.168.20.104 SIP/2.0
        Via: SIP/2.0/UDP 127.0.0.1:6060;rport;branch=z9hG4bK257883665
        From: <sip:11@192.168.20.104>;tag=318688453
        To: <sip:2%23@192.168.20.104>;tag=896003446
        Call-ID: 1336512045
        CSeq: 20 ACK
        Content-Length: 0

14 packets captured
29 packets received by filter
0 packets dropped by kernel