| 1 | root@comcerto:~# tcpdump -v -s1514 port 5060 and host 172.16.200.70
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| 2 | tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 1514 bytes
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| 3 | 04:37:46.042690 IP (tos 0xa,ECT(0), ttl 61, id 32165, offset 0, flags [DF], proto UDP (17), length 372)
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| 4 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 344
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| 5 | OPTIONS sip:172.16.110.11:5060 SIP/2.0
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| 6 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094650839X0006D56E
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| 7 | To: <sip:172.16.110.11:5060>
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| 8 | From: <sip:172.16.200.70:5060>;tag=1763094650000764B2
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| 9 | Contact: <sip:172.16.200.70:5060>
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| 10 | Call-ID: 6916B07ACCE0E0006D468_172.16.200.70
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| 11 | CSeq: 100 OPTIONS
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| 12 | Max-Forwards: 70
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| 13 | Content-Length: 0
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| 14 |
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| 15 | 04:37:46.054527 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 343)
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| 16 | 172.16.110.11.5060 > 172.16.200.70.5060: SIP, length: 315
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| 17 | SIP/2.0 200 OK
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| 18 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094650839X0006D56E
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| 19 | Contact: <sip:172.16.110.11:5060>
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| 20 | To: <sip:172.16.110.11:5060>;tag=9148de3b
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| 21 | From: <sip:172.16.200.70:5060>;tag=1763094650000764B2
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| 22 | Call-ID: 6916B07ACCE0E0006D468_172.16.200.70
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| 23 | CSeq: 100 OPTIONS
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| 24 | Content-Length: 0
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| 25 |
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| 26 | 04:37:47.263918 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 1265)
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| 27 | 172.16.110.11.5060 > 172.16.200.70.5060: SIP, length: 1237
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| 28 | INVITE sip:36901@172.16.200.70:5060;user=phone SIP/2.0
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| 29 | Via: SIP/2.0/UDP 172.16.110.11:5060;branch=z9hG4bK-524287-1---d3ca871b30386064;rport
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| 30 | Via: SIP/2.0/UDP 172.16.100.70:5060;branch=z9hG4bK-t8dy9-xwifp
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| 31 | Max-Forwards: 69
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| 32 | Record-Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 33 | 04:37:47.268802 IP (tos 0xa,ECT(0), ttl 61, id 32343, offset 0, flags [DF], proto UDP (17), length 554)
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| 34 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 526
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| 35 | SIP/2.0 100 Trying
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| 36 | Via: SIP/2.0/UDP 172.16.110.11:5060;received=172.16.110.11;branch=z9hG4bK-524287-1---d3ca871b30386064;rport=5060
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| 37 | Via: SIP/2.0/UDP 172.16.100.70:5060;branch=z9hG4bK-t8dy9-xwifp
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| 38 | Record-Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 39 | To: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 40 | From: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 41 | Contact: <sip:36901@172.16.200.70:5060>
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| 42 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 43 | CSeq: 189 INVITE
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| 44 | Content-Length: 0
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| 45 |
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| 46 | 04:37:47.423803 IP (tos 0xa,ECT(0), ttl 61, id 32345, offset 0, flags [DF], proto UDP (17), length 845)
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| 47 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 817
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| 48 | SIP/2.0 180 Ringing
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| 49 | Via: SIP/2.0/UDP 172.16.110.11:5060;received=172.16.110.11;branch=z9hG4bK-524287-1---d3ca871b30386064;rport=5060
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| 50 | Via: SIP/2.0/UDP 172.16.100.70:5060;branch=z9hG4bK-t8dy9-xwifp
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| 51 | Record-Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 52 | To: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 53 | From: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 54 | Contact: <sip:36901@172.16.200.70:5060>
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| 55 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 56 | CSeq: 189 INVITE
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| 57 | Allow: INVITE,CANCEL,ACK,BYE,INFO,PRACK,UPDATE,NOTIFY,MESSAGE,REFER,OPTIONS
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| 58 | Session-ID: c35208d08a9b4ead8058fbe8e3230c0f
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| 59 | Content-Type: application/sdp
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| 60 | Content-Length: 134
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| 61 |
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| 62 | v=0
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| 63 | o=mkd 1763094525 1 IN IP4 172.16.200.70
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| 64 | s=protei
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| 65 | c=IN IP4 172.16.200.70
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| 66 | t=0 0
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| 67 | m=audio 21548 RTP/AVP 8
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| 68 | a=rtpmap:8 PCMA/8000
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| 69 | 04:37:50.161107 IP (tos 0xa,ECT(0), ttl 61, id 32803, offset 0, flags [DF], proto UDP (17), length 840)
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| 70 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 812
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| 71 | SIP/2.0 200 OK
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| 72 | Via: SIP/2.0/UDP 172.16.110.11:5060;received=172.16.110.11;branch=z9hG4bK-524287-1---d3ca871b30386064;rport=5060
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| 73 | Via: SIP/2.0/UDP 172.16.100.70:5060;branch=z9hG4bK-t8dy9-xwifp
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| 74 | Record-Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 75 | To: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 76 | From: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 77 | Contact: <sip:36901@172.16.200.70:5060>
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| 78 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 79 | CSeq: 189 INVITE
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| 80 | Allow: INVITE,CANCEL,ACK,BYE,INFO,PRACK,UPDATE,NOTIFY,MESSAGE,REFER,OPTIONS
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| 81 | Session-ID: c35208d08a9b4ead8058fbe8e3230c0f
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| 82 | Content-Type: application/sdp
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| 83 | Content-Length: 134
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| 84 |
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| 85 | v=0
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| 86 | o=mkd 1763094525 1 IN IP4 172.16.200.70
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| 87 | s=protei
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| 88 | c=IN IP4 172.16.200.70
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| 89 | t=0 0
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| 90 | m=audio 21548 RTP/AVP 8
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| 91 | a=rtpmap:8 PCMA/8000
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| 92 | 04:37:50.188243 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 516)
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| 93 | 172.16.110.11.5060 > 172.16.200.70.5060: SIP, length: 488
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| 94 | ACK sip:36901@172.16.200.70:5060 SIP/2.0
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| 95 | Via: SIP/2.0/UDP 172.16.110.11:5060;branch=z9hG4bK-524287-1---09d2b77f8d3d781d;rport
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| 96 | Via: SIP/2.0/UDP 172.16.100.70:5060;branch=z9hG4bK-qe79s-1uyc7
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| 97 | Max-Forwards: 69
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| 98 | To: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 99 | 04:37:50.191107 IP (tos 0xa,ECT(0), ttl 61, id 32810, offset 0, flags [DF], proto UDP (17), length 828)
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| 100 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 800
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| 101 | INVITE sip:31189@172.16.100.70:5060;user=phone SIP/2.0
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| 102 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094654987X0006D572
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| 103 | Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 104 | To: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 105 | From: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 106 | Contact: <sip:36901@172.16.200.70:5060>
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| 107 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 108 | CSeq: 1000 INVITE
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| 109 | Max-Forwards: 70
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| 110 | Allow: INVITE,CANCEL,ACK,BYE,INFO,PRACK,UPDATE,NOTIFY,MESSAGE,REFER,OPTIONS
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| 111 | Content-Type: application/sdp
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| 112 | Content-Length: 214
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| 113 |
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| 114 | v=0
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| 115 | o=mkd 1763094525 2 IN IP4 172.29.100.21
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| 116 | s=protei
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| 117 | c=IN IP4 172.29.100.21
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| 118 | t=0 0
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| 119 | m=audio 12428 RTP/AVP 8 101
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| 120 | a=rtpmap:8 PCMA/8000
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| 121 | a=ptime:20
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| 122 | a=rtpmap:101 telephone-event/8000
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| 123 | a=fmtp:101 0-15
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| 124 | a=sendrecv
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| 125 | 04:37:50.207223 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 540)
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| 126 | 172.16.110.11.5060 > 172.16.200.70.5060: SIP, length: 512
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| 127 | SIP/2.0 407 Proxy Authentication Required
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| 128 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094654987X0006D572
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| 129 | Proxy-Authenticate: Digest nonce="1763095070:7476a641db183155682c4364acc5d0dd",algorithm=MD5,realm="172.16.110.11",qop="auth,auth-int"
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| 130 | To: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 131 | From: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 132 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 133 | CSeq: 1000 INVITE
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| 134 | Server: repro 1.12.0
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| 135 | Content-Length: 0
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| 136 |
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| 137 | 04:37:50.211122 IP (tos 0xa,ECT(0), ttl 61, id 32812, offset 0, flags [DF], proto UDP (17), length 407)
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| 138 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 379
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| 139 | ACK sip:31189@172.16.100.70:5060;user=phone SIP/2.0
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| 140 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094654987X0006D572
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| 141 | To: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 142 | From: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 143 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 144 | CSeq: 1000 ACK
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| 145 | Max-Forwards: 70
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| 146 | Content-Length: 0
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| 147 |
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| 148 | 04:37:50.212178 IP (tos 0xa,ECT(0), ttl 61, id 32813, offset 0, flags [DF], proto UDP (17), length 481)
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| 149 | 172.16.200.70.5060 > 172.16.110.11.5060: SIP, length: 453
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| 150 | BYE sip:31189@172.16.100.70:5060;user=phone SIP/2.0
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| 151 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094655008X0006D573
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| 152 | Route: <sip:172.16.110.11:5060;transport=udp;lr>
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| 153 | To: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 154 | From: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 155 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 156 | CSeq: 1001 BYE
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| 157 | Max-Forwards: 70
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| 158 | Reason: Q.850;cause=34
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| 159 | Content-Length: 0
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| 160 |
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| 161 | 04:37:50.243631 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto UDP (17), length 374)
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| 162 | 172.16.110.11.5060 > 172.16.200.70.5060: SIP, length: 346
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| 163 | SIP/2.0 200 OK
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| 164 | Via: SIP/2.0/UDP 172.16.200.70:5060;branch=z9hG4bK_a3Kr_1763094655008X0006D573
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| 165 | To: <sip:31189@172.16.100.70:5060;user=phone;cpc=ordinary>;tag=74fn44keqh
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| 166 | From: <sip:36901@172.16.110.11:5060;user=phone>;tag=1763094652000764B3
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| 167 | Call-ID: ff46ca58ayt3eyh8npg@172.16.100.70
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| 168 | CSeq: 1001 BYE
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| 169 | Server: repro 1.12.0
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| 170 | Content-Length: 0
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| 171 |
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| 172 |
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| 173 | 12 packets captured
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| 174 | 13 packets received by filter
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| 175 | 0 packets dropped by kernel
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| 176 | root@comcerto:~#
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| 177 |
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