09:30:13.387292 IP (tos 0x90, ttl 63, id 38501, offset 0, flags [none], proto UDP (17), length 969) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 941 INVITE sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 1 INVITE Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c36-2933b532-1ea97b4f Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Allow: INVITE, ACK, BYE, REFER, NOTIFY, CANCEL, INFO, OPTIONS, UPDATE Content-Type: application/sdp Content-Length: 214 v=0 o=784 1587029579 1587029579 IN IP4 1.2.4.11 s=- c=IN IP4 1.2.4.11 t=0 0 m=audio 3790 RTP/AVP 18 0 8 4 97 a=ptime:20 a=silenceSupp:off - - - - a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-15 09:30:13.390999 IP (tos 0x0, ttl 64, id 7567, offset 0, flags [DF], proto UDP (17), length 615) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8c0e -> 0xfa98!] SIP, length: 587 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c36-2933b532-1ea97b4f Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=z9hG4bK-a8c36-2933b532-1ea97b4f CSeq: 1 INVITE WWW-Authenticate: Digest realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",opaque="593a5c745a4f638f",algorithm=md5,qop="auth" Server: Asterisk PBX Content-Length: 0 09:30:13.453358 IP (tos 0x90, ttl 63, id 38502, offset 0, flags [none], proto UDP (17), length 648) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 620 ACK sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=z9hG4bK-a8c36-2933b532-1ea97b4f Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 1 ACK Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c36-2933b532-1ea97b4f Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:30:13.467558 IP (tos 0x90, ttl 63, id 38503, offset 0, flags [none], proto UDP (17), length 1246) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1218 INVITE sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 2 INVITE Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c36-2933b57e-557d2edd Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:FAX2@1.2.3.15:5060",response="ae2b8871b19ab1ad8d65aebe5adad3f4",algorithm=MD5,cnonce="2933b57f",opaque="593a5c745a4f638f",qop=auth,nc=00000001 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Allow: INVITE, ACK, BYE, REFER, NOTIFY, CANCEL, INFO, OPTIONS, UPDATE Content-Type: application/sdp Content-Length: 214 v=0 o=784 1587029579 1587029579 IN IP4 1.2.4.11 s=- c=IN IP4 1.2.4.11 t=0 0 m=audio 3790 RTP/AVP 18 0 8 4 97 a=ptime:20 a=silenceSupp:off - - - - a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-15 09:30:13.471417 IP (tos 0x0, ttl 64, id 7568, offset 0, flags [DF], proto UDP (17), length 427) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8b52 -> 0x5367!] SIP, length: 399 SIP/2.0 100 Trying Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c36-2933b57e-557d2edd Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" CSeq: 2 INVITE Server: Asterisk PBX Content-Length: 0 09:30:13.507410 IP (tos 0x0, ttl 64, id 7570, offset 0, flags [DF], proto UDP (17), length 894) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8d25 -> 0x096a!] SIP, length: 866 SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c36-2933b57e-557d2edd Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 2 INVITE Server: Asterisk PBX Contact: Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Content-Type: application/sdp Content-Length: 236 v=0 o=- 1587029579 1587029581 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 12242 RTP/AVP 0 97 a=rtpmap:0 PCMU/8000 a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-16 a=ptime:20 a=maxptime:150 a=sendrecv 09:30:13.531134 IP (tos 0x0, ttl 64, id 17617, offset 0, flags [DF], proto UDP (17), length 1011) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd458 -> 0x34d6!] SIP, length: 983 INVITE sip:FAX2@1.2.5.156:5369;x-ast-orig-host=192.168.17.2:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj79bf04da-14b5-4376-8788-a31bf6bb6738 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f To: Contact: Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8099 INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800 Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX Content-Type: application/sdp Content-Length: 237 v=0 o=- 234256072 234256072 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11972 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 a=maxptime:150 a=sendrecv 09:30:13.547076 IP (tos 0x68, ttl 248, id 30669, offset 0, flags [none], proto UDP (17), length 460) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 432 SIP/2.0 100 Trying To: From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8099 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPj79bf04da-14b5-4376-8788-a31bf6bb6738 Server: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 09:30:13.554508 IP (tos 0x68, ttl 248, id 30670, offset 0, flags [none], proto UDP (17), length 624) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 596 SIP/2.0 180 Ringing To: ;tag=d56be63acb0163c5i1 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8099 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPj79bf04da-14b5-4376-8788-a31bf6bb6738 Contact: "FAX2" Server: Linksys/SPA8000-6.1.12SR1 Remote-Party-ID: "FAX2" ;screen=yes;party=called Allow-Events: talk, hold, conference Content-Length: 0 09:30:13.555173 IP (tos 0x0, ttl 64, id 7573, offset 0, flags [DF], proto UDP (17), length 894) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8d25 -> 0xff73!] SIP, length: 866 SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c36-2933b57e-557d2edd Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 2 INVITE Server: Asterisk PBX Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Contact: Content-Type: application/sdp Content-Length: 236 v=0 o=- 1587029579 1587029581 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 12242 RTP/AVP 0 97 a=rtpmap:0 PCMU/8000 a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-16 a=ptime:20 a=maxptime:150 a=sendrecv 09:30:15.907238 IP (tos 0x68, ttl 248, id 30677, offset 0, flags [none], proto UDP (17), length 958) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 930 SIP/2.0 200 OK To: ;tag=d56be63acb0163c5i1 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8099 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPj79bf04da-14b5-4376-8788-a31bf6bb6738 Contact: "FAX2" Server: Linksys/SPA8000-6.1.12SR1 Remote-Party-ID: "FAX2" ;screen=yes;party=called Allow-Events: talk, hold, conference Content-Length: 212 Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER Supported: x-sipura, replaces Content-Type: application/sdp v=0 o=- 109474360 109474360 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=audio 19481 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-15 a=ptime:30 a=sendrecv 09:30:15.907816 IP (tos 0x0, ttl 64, id 17832, offset 0, flags [DF], proto UDP (17), length 485) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd24a -> 0x4aff!] SIP, length: 457 ACK sip:FAX2@1.2.5.156:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPja78706fc-f401-419d-adaf-aae9821ddcf6 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f To: ;tag=d56be63acb0163c5i1 Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8099 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 09:30:15.907930 IP (tos 0x0, ttl 64, id 7750, offset 0, flags [DF], proto UDP (17), length 928) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8d47 -> 0x8dc5!] SIP, length: 900 SIP/2.0 200 OK Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c36-2933b57e-557d2edd Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 2 INVITE Server: Asterisk PBX Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Contact: Supported: 100rel, timer, replaces, norefersub Content-Type: application/sdp Content-Length: 236 v=0 o=- 1587029579 1587029581 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 12242 RTP/AVP 0 97 a=rtpmap:0 PCMU/8000 a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-16 a=ptime:20 a=maxptime:150 a=sendrecv 09:30:15.946946 IP (tos 0x68, ttl 248, id 30679, offset 0, flags [none], proto UDP (17), length 959) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 931 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-f1f44c3d From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 101 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 271 Content-Type: application/sdp v=0 o=- 109474600 109474600 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=image 19481 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:200 a=T38FaxMaxDatagram:200 a=T38FaxUdpEC:t38UDPRedundancy 09:30:15.992850 IP (tos 0x90, ttl 63, id 38634, offset 0, flags [none], proto UDP (17), length 918) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 890 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 2 ACK Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c39-2933bf61-765896b Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:FAX2@1.2.3.15:5060",response="ae2b8871b19ab1ad8d65aebe5adad3f4",algorithm=MD5,cnonce="2933b57f",opaque="593a5c745a4f638f",qop=auth,nc=00000001 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:30:15.993349 IP (tos 0x0, ttl 64, id 7752, offset 0, flags [DF], proto UDP (17), length 1029) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8dac -> 0xb34d!] SIP, length: 1001 INVITE sip:FAX1@1.2.4.11:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj0bdeeab7-eca4-4ae2-8b39-643c5bed6216 From: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Contact: Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9476 INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800 Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX Content-Type: application/sdp Content-Length: 258 v=0 o=- 1587029579 1587029582 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=image 4392 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:397 a=T38FaxUdpEC:t38UDPRedundancy 09:30:16.080747 IP (tos 0x90, ttl 63, id 38639, offset 0, flags [none], proto UDP (17), length 621) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 593 SIP/2.0 488 Not Acceptable Here From: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9476 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;rport=5060;branch=z9hG4bKPj0bdeeab7-eca4-4ae2-8b39-643c5bed6216 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:30:16.081118 IP (tos 0x0, ttl 64, id 7760, offset 0, flags [DF], proto UDP (17), length 502) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8b9d -> 0x942d!] SIP, length: 474 ACK sip:FAX1@1.2.4.11:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj0bdeeab7-eca4-4ae2-8b39-643c5bed6216 From: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9476 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 09:30:16.081602 IP (tos 0x0, ttl 64, id 17838, offset 0, flags [DF], proto UDP (17), length 694) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd31b -> 0x991c!] SIP, length: 666 SIP/2.0 488 Not Acceptable Here Via: SIP/2.0/UDP 192.168.17.2:5369;rport=5369;received=1.2.5.156;branch=z9hG4bK-f1f44c3d Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f CSeq: 101 INVITE Accept: application/pidf+xml, application/xpidf+xml, application/cpim-pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/sdp, message/sipfrag;version=2.0 Server: Asterisk PBX Content-Length: 0 09:30:16.096750 IP (tos 0x68, ttl 248, id 30687, offset 0, flags [none], proto UDP (17), length 552) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 524 ACK sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-f1f44c3d From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 101 ACK Max-Forwards: 70 Contact: "FAX2" User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 09:30:16.100259 IP (tos 0x68, ttl 248, id 30688, offset 0, flags [none], proto UDP (17), length 843) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 815 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-1a6fe9d From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 102 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 156 Content-Type: application/sdp v=0 o=- 109474615 109474615 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=audio 19481 RTP/AVP 0 a=rtpmap:0 PCMU/8000 a=ptime:30 a=sendrecv 09:30:16.101128 IP (tos 0x0, ttl 64, id 7762, offset 0, flags [DF], proto UDP (17), length 1029) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8dac -> 0x065e!] SIP, length: 1001 INVITE sip:FAX1@1.2.4.11:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj24e1b6de-448b-4e4b-b40b-af250fde8038 From: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Contact: Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9477 INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800 Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX Content-Type: application/sdp Content-Length: 258 v=0 o=- 1587029579 1587029583 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=image 6234 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:397 a=T38FaxUdpEC:t38UDPRedundancy 09:30:16.168982 IP (tos 0x90, ttl 63, id 38645, offset 0, flags [none], proto UDP (17), length 621) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 593 SIP/2.0 488 Not Acceptable Here From: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9477 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;rport=5060;branch=z9hG4bKPj24e1b6de-448b-4e4b-b40b-af250fde8038 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:30:16.169303 IP (tos 0x0, ttl 64, id 7768, offset 0, flags [DF], proto UDP (17), length 502) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8b9d -> 0xa181!] SIP, length: 474 ACK sip:FAX1@1.2.4.11:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj24e1b6de-448b-4e4b-b40b-af250fde8038 From: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 To: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 9477 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 09:30:16.169779 IP (tos 0x0, ttl 64, id 17846, offset 0, flags [DF], proto UDP (17), length 693) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd31a -> 0x41a4!] SIP, length: 665 SIP/2.0 488 Not Acceptable Here Via: SIP/2.0/UDP 192.168.17.2:5369;rport=5369;received=1.2.5.156;branch=z9hG4bK-1a6fe9d Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f CSeq: 102 INVITE Accept: application/pidf+xml, application/xpidf+xml, application/cpim-pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/sdp, message/sipfrag;version=2.0 Server: Asterisk PBX Content-Length: 0 09:30:16.187133 IP (tos 0x68, ttl 248, id 30694, offset 0, flags [none], proto UDP (17), length 551) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 523 ACK sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-1a6fe9d From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 102 ACK Max-Forwards: 70 Contact: "FAX2" User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 09:30:17.091196 IP (tos 0x90, ttl 63, id 38689, offset 0, flags [none], proto UDP (17), length 1358) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1330 INVITE sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 3 INVITE Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c3a-2933c3a4-2a096e76 Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:1.2.3.15:5060",response="c461a404f44753ed43f7ad2658647dad",algorithm=MD5,cnonce="2933c3a4",opaque="593a5c745a4f638f",qop=auth,nc=00000002 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Type: application/sdp Content-Length: 383 v=0 o=784 1587029579 1587029580 IN IP4 1.2.4.11 s=- c=IN IP4 1.2.4.11 t=0 0 m=image 3790 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxFillBitRemoval:0 a=T38FaxTranscodingMMR:0 a=T38FaxTranscodingJBIG:0 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:2048 a=T38FaxMaxDatagram:176 a=T38FaxUdpEC:t38UDPRedundancy a=silenceSupp:off - - - - 09:30:17.091661 IP (tos 0x0, ttl 64, id 7834, offset 0, flags [DF], proto UDP (17), length 759) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8c9e -> 0x63f8!] SIP, length: 731 SIP/2.0 488 Not Acceptable Here Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c3a-2933c3a4-2a096e76 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 3 INVITE Accept: application/pidf+xml, application/xpidf+xml, application/cpim-pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/pidf+xml, application/dialog-info+xml, application/simple-message-summary, application/sdp, message/sipfrag;version=2.0 Server: Asterisk PBX Content-Length: 0 09:30:17.155413 IP (tos 0x90, ttl 63, id 38690, offset 0, flags [none], proto UDP (17), length 642) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 614 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 3 ACK Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c3a-2933c3a4-2a096e76 Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:30:17.169391 IP (tos 0x90, ttl 63, id 38691, offset 0, flags [none], proto UDP (17), length 1131) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1103 INVITE sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 4 INVITE Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c3a-2933c3f5-1c69ecfc Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:1.2.3.15:5060",response="9f17162df7a6512315a8ff5e9e6a7529",algorithm=MD5,cnonce="2933c3f5",opaque="593a5c745a4f638f",qop=auth,nc=00000003 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Type: application/sdp Content-Length: 156 v=0 o=784 1587029579 1587029581 IN IP4 1.2.4.11 s=- c=IN IP4 1.2.4.11 t=0 0 m=audio 3790 RTP/AVP 0 8 a=ptime:20 a=silenceSupp:off - - - - 09:30:17.170378 IP (tos 0x0, ttl 64, id 17902, offset 0, flags [DF], proto UDP (17), length 1092) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd4a9 -> 0x2f47!] SIP, length: 1064 INVITE sip:FAX2@1.2.5.156:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj6ef60b6b-9b34-4357-a4fb-e3854318fb04 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f To: ;tag=d56be63acb0163c5i1 Contact: Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8100 INVITE Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Supported: 100rel, timer, replaces, norefersub Session-Expires: 1800 Min-SE: 90 Max-Forwards: 70 User-Agent: Asterisk PBX Content-Type: application/sdp Content-Length: 329 v=0 o=- 234256072 234256073 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=image 4672 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxFillBitRemoval a=T38FaxTranscodingMMR a=T38FaxTranscodingJBIG a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:397 a=T38FaxUdpEC:t38UDPRedundancy 09:30:17.205959 IP (tos 0x68, ttl 248, id 30751, offset 0, flags [none], proto UDP (17), length 839) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 811 SIP/2.0 200 OK To: ;tag=d56be63acb0163c5i1 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8100 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPj6ef60b6b-9b34-4357-a4fb-e3854318fb04 Contact: "FAX2" Server: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 271 Content-Type: application/sdp v=0 o=- 109474724 109474724 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=image 19481 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:200 a=T38FaxMaxDatagram:200 a=T38FaxUdpEC:t38UDPRedundancy 09:30:17.206412 IP (tos 0x0, ttl 64, id 17905, offset 0, flags [DF], proto UDP (17), length 485) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd24a -> 0x4fbd!] SIP, length: 457 ACK sip:FAX2@1.2.5.156:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPjb05c68e7-3a49-4c9d-b4c4-488d50df5d46 From: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f To: ;tag=d56be63acb0163c5i1 Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 8100 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 09:30:17.206956 IP (tos 0x0, ttl 64, id 7845, offset 0, flags [DF], proto UDP (17), length 811) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8cd2 -> 0xc9ba!] SIP, length: 783 SIP/2.0 200 OK Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c3a-2933c3f5-1c69ecfc Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 4 INVITE Contact: Allow: OPTIONS, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH, INVITE, ACK, BYE, CANCEL, UPDATE, PRACK, REFER, MESSAGE Supported: 100rel, timer, replaces, norefersub Server: Asterisk PBX Content-Type: application/sdp Content-Length: 119 v=0 o=- 1587029579 1587029584 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 0 RTP/AVP 0 8 09:30:17.279327 IP (tos 0x90, ttl 63, id 38692, offset 0, flags [none], proto UDP (17), length 908) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 880 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 4 ACK Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c3a-2933c467-67fd15d5 Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:1.2.3.15:5060",response="9f17162df7a6512315a8ff5e9e6a7529",algorithm=MD5,cnonce="2933c3f5",opaque="593a5c745a4f638f",qop=auth,nc=00000003 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:31:04.328961 IP (tos 0x68, ttl 248, id 33262, offset 0, flags [none], proto UDP (17), length 496) 1.2.5.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 468 BYE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-eefe82bb From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac CSeq: 103 BYE Max-Forwards: 70 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 09:31:04.329174 IP (tos 0x0, ttl 64, id 21695, offset 0, flags [DF], proto UDP (17), length 414) 1.2.3.15:5060 > 1.2.5.156.5369: [bad udp cksum 0xd203 -> 0xb0d2!] SIP, length: 386 SIP/2.0 481 Call/Transaction Does Not Exist Via: SIP/2.0/UDP 192.168.17.2:5369;received=1.2.5.156;branch=z9hG4bK-eefe82bb Call-ID: 59a2b8fb-353b-41bb-9f6b-b28d4d0dfaac From: ;tag=d56be63acb0163c5i1 To: "FAX1" ;tag=73f50749-8c62-41d7-84bc-01a810f3cc1f CSeq: 103 BYE Server: Asterisk PBX Content-Length: 0 09:31:11.606510 IP (tos 0x90, ttl 63, id 38857, offset 0, flags [none], proto UDP (17), length 889) 1.2.4.11.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 861 BYE sip:1.2.3.15:5060 SIP/2.0 From: "FAX1";tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2";tag=86a3d748-ef8b-4a25-8572-23c19b550867 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 CSeq: 5 BYE Via: SIP/2.0/UDP 1.2.4.11:31361;rport;branch=z9hG4bK-a8c70-29349883-40033291 Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Authorization: Digest username="FAX1",realm="asterisk",nonce="1587043813/fca4323da7f3798b12c64e990450e7ea",uri="sip:1.2.3.15:5060",response="99b37fb97068a436a193ea342bf91085",algorithm=MD5,cnonce="29349884",opaque="593a5c745a4f638f",qop=auth,nc=00000004 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 09:31:11.606659 IP (tos 0x0, ttl 64, id 12249, offset 0, flags [DF], proto UDP (17), length 490) 1.2.3.15:5060 > 1.2.4.11.31361: [bad udp cksum 0x8b91 -> 0xd800!] SIP, length: 462 SIP/2.0 481 Call/Transaction Does Not Exist Via: SIP/2.0/UDP 1.2.4.11:31361;rport=31361;received=1.2.4.11;branch=z9hG4bK-a8c70-29349883-40033291 Call-ID: 1138238-d047750b-7a81-45028-a8c36-2eb2e778-a8c36 From: "FAX1" ;tag=11512d0-d047750b-7a81-45028-a8c36-30bef41e-a8c36 To: "FAX2" ;tag=86a3d748-ef8b-4a25-8572-23c19b550867 CSeq: 5 BYE Server: Asterisk PBX Content-Length: 0