13:49:32.154541 IP (tos 0x90, ttl 63, id 27705, offset 0, flags [none], proto UDP (17), length 966) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 938 INVITE sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 1 INVITE Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-3143-c0714c-26e9be80 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: 217 v=0 o=784 1588169025 1588169025 IN IP4 1.2.7.124 s=- c=IN IP4 1.2.7.124 t=0 0 m=audio 46082 RTP/AVP 18 0 8 4 97 a=ptime:20 a=silenceSupp:off - - - - a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-15 13:49:32.158689 IP (tos 0x0, ttl 64, id 22469, offset 0, flags [DF], proto UDP (17), length 606) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8c76 -> 0xc2ab!] SIP, length: 578 SIP/2.0 401 Unauthorized Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-3143-c0714c-26e9be80 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=z9hG4bK-3143-c0714c-26e9be80 CSeq: 1 INVITE WWW-Authenticate: Digest realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",opaque="51f245b92ff57857",algorithm=md5,qop="auth" Server: Asterisk PBX Content-Length: 0 13:49:32.218291 IP (tos 0x90, ttl 63, id 27706, offset 0, flags [none], proto UDP (17), length 639) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 611 ACK sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=z9hG4bK-3143-c0714c-26e9be80 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 1 ACK Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-3143-c0714c-26e9be80 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 13:49:32.232292 IP (tos 0x90, ttl 63, id 27707, offset 0, flags [none], proto UDP (17), length 1241) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1213 INVITE sip:FAX2@1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 2 INVITE Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-3143-c07194-643cf41e Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",uri="sip:FAX2@1.2.3.15:5060",response="0d1dbf061ef810c7901dbb3e6723b2bf",algorithm=MD5,cnonce="c07195",opaque="51f245b92ff57857",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: 217 v=0 o=784 1588169025 1588169025 IN IP4 1.2.7.124 s=- c=IN IP4 1.2.7.124 t=0 0 m=audio 46082 RTP/AVP 18 0 8 4 97 a=ptime:20 a=silenceSupp:off - - - - a=rtpmap:97 telephone-event/8000 a=fmtp:97 0-15 13:49:32.236334 IP (tos 0x0, ttl 64, id 22470, offset 0, flags [DF], proto UDP (17), length 421) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8bbd -> 0x9bca!] SIP, length: 393 SIP/2.0 100 Trying Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-3143-c07194-643cf41e Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" CSeq: 2 INVITE Server: Asterisk PBX Content-Length: 0 13:49:32.275224 IP (tos 0x0, ttl 64, id 22472, offset 0, flags [DF], proto UDP (17), length 888) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8d90 -> 0xfc50!] SIP, length: 860 SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-3143-c07194-643cf41e Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 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=- 1588169025 1588169027 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11522 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 13:49:32.296584 IP (tos 0x0, ttl 64, id 37986, offset 0, flags [DF], proto UDP (17), length 1011) 1.2.3.15:5060 > 1.2.10.156.5369: [bad udp cksum 0xd458 -> 0x6b09!] SIP, length: 983 INVITE sip:FAX2@1.2.10.156:5369;x-ast-orig-host=192.168.17.2:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPja975e50f-4e75-400b-99b5-9552fdbdf21c From: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 To: Contact: Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 8277 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=- 591129586 591129586 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11776 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 13:49:32.312862 IP (tos 0x68, ttl 248, id 60374, offset 0, flags [none], proto UDP (17), length 460) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 432 SIP/2.0 100 Trying To: From: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 8277 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPja975e50f-4e75-400b-99b5-9552fdbdf21c Server: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 13:49:32.320341 IP (tos 0x68, ttl 248, id 60375, offset 0, flags [none], proto UDP (17), length 624) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 596 SIP/2.0 180 Ringing To: ;tag=e9e6878fd173f8c1i1 From: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 8277 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPja975e50f-4e75-400b-99b5-9552fdbdf21c Contact: "FAX2" Server: Linksys/SPA8000-6.1.12SR1 Remote-Party-ID: "FAX2" ;screen=yes;party=called Allow-Events: talk, hold, conference Content-Length: 0 13:49:32.320923 IP (tos 0x0, ttl 64, id 22476, offset 0, flags [DF], proto UDP (17), length 888) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8d90 -> 0xf25a!] SIP, length: 860 SIP/2.0 183 Session Progress Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-3143-c07194-643cf41e Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 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=- 1588169025 1588169027 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11522 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 13:49:39.682041 IP (tos 0x68, ttl 248, id 60401, offset 0, flags [none], proto UDP (17), length 956) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 928 SIP/2.0 200 OK To: ;tag=e9e6878fd173f8c1i1 From: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 8277 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;branch=z9hG4bKPja975e50f-4e75-400b-99b5-9552fdbdf21c Contact: "FAX2" Server: Linksys/SPA8000-6.1.12SR1 Remote-Party-ID: "FAX2" ;screen=yes;party=called Allow-Events: talk, hold, conference Content-Length: 210 Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER Supported: x-sipura, replaces Content-Type: application/sdp v=0 o=- 77709445 77709445 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=audio 19449 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 13:49:39.682618 IP (tos 0x0, ttl 64, id 38597, offset 0, flags [DF], proto UDP (17), length 485) 1.2.3.15:5060 > 1.2.10.156.5369: [bad udp cksum 0xd24a -> 0x57fd!] SIP, length: 457 ACK sip:FAX2@1.2.10.156:5369 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPjbe1da32a-99be-42dd-8f53-a3abf331c02c From: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 To: ;tag=e9e6878fd173f8c1i1 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 8277 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 13:49:39.682738 IP (tos 0x0, ttl 64, id 23021, offset 0, flags [DF], proto UDP (17), length 922) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8db2 -> 0x80ac!] SIP, length: 894 SIP/2.0 200 OK Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-3143-c07194-643cf41e Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 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=- 1588169025 1588169027 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11522 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 13:49:39.731859 IP (tos 0x68, ttl 248, id 60403, offset 0, flags [none], proto UDP (17), length 956) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 928 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-58f8e9b From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 101 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 269 Content-Type: application/sdp v=0 o=- 77710187 77710187 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=image 19449 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:200 a=T38FaxMaxDatagram:200 a=T38FaxUdpEC:t38UDPRedundancy 13:49:39.828301 IP (tos 0x90, ttl 63, id 28092, offset 0, flags [none], proto UDP (17), length 911) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 883 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 2 ACK Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-314b-c08f48-14b28abe Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",uri="sip:FAX2@1.2.3.15:5060",response="0d1dbf061ef810c7901dbb3e6723b2bf",algorithm=MD5,cnonce="c07195",opaque="51f245b92ff57857",qop=auth,nc=00000001 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 13:49:39.828750 IP (tos 0x0, ttl 64, id 23030, offset 0, flags [DF], proto UDP (17), length 1026) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8e1a -> 0x278c!] SIP, length: 998 INVITE sip:FAX1@1.2.7.124:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj01820977-02a3-4859-a286-33c1c1669234 From: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Contact: Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11962 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=- 1588169025 1588169028 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=image 5172 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxDatagram:397 a=T38FaxUdpEC:t38UDPRedundancy 13:49:40.022151 IP (tos 0x90, ttl 63, id 28096, offset 0, flags [none], proto UDP (17), length 1353) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1325 INVITE sip:1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 3 INVITE Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-314b-c08fff-305c85c4 Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",uri="sip:1.2.3.15:5060",response="d36aeb48cb7c54788a6161a442fb4ed3",algorithm=MD5,cnonce="c08fff",opaque="51f245b92ff57857",qop=auth,nc=00000002 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Type: application/sdp Content-Length: 386 v=0 o=784 1588169025 1588169026 IN IP4 1.2.7.124 s=- c=IN IP4 1.2.7.124 t=0 0 m=image 46082 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 - - - - 13:49:40.022531 IP (tos 0x0, ttl 64, id 23044, offset 0, flags [DF], proto UDP (17), length 494) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8c06 -> 0xe54d!] SIP, length: 466 SIP/2.0 491 Another INVITE transaction in progress Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-314b-c08fff-305c85c4 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 CSeq: 3 INVITE Server: Asterisk PBX Content-Length: 0 13:49:40.030246 IP (tos 0x90, ttl 63, id 28097, offset 0, flags [none], proto UDP (17), length 650) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 622 SIP/2.0 491 Server Internal Error - re-Invite inside a re-Invite From: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11962 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;rport=5060;branch=z9hG4bKPj01820977-02a3-4859-a286-33c1c1669234 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 13:49:40.030556 IP (tos 0x0, ttl 64, id 23045, offset 0, flags [DF], proto UDP (17), length 499) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8c0b -> 0xaebb!] SIP, length: 471 ACK sip:FAX1@1.2.7.124:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj01820977-02a3-4859-a286-33c1c1669234 From: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11962 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 13:49:40.084217 IP (tos 0x90, ttl 63, id 28099, offset 0, flags [none], proto UDP (17), length 636) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 608 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 3 ACK Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-314b-c08fff-305c85c4 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 13:49:40.100373 IP (tos 0x90, ttl 63, id 28100, offset 0, flags [none], proto UDP (17), length 1125) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 1097 INVITE sip:1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 4 INVITE Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-314b-c09051-94d2d56 Max-Forwards: 70 Supported: replaces,100rel User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",uri="sip:1.2.3.15:5060",response="5d1ebf0bd6f32f8e1e10da1f84564699",algorithm=MD5,cnonce="c09051",opaque="51f245b92ff57857",qop=auth,nc=00000003 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Type: application/sdp Content-Length: 159 v=0 o=784 1588169025 1588169027 IN IP4 1.2.7.124 s=- c=IN IP4 1.2.7.124 t=0 0 m=audio 46082 RTP/AVP 0 8 a=ptime:20 a=silenceSupp:off - - - - 13:49:40.100810 IP (tos 0x0, ttl 64, id 23053, offset 0, flags [DF], proto UDP (17), length 804) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8d3c -> 0xaa45!] SIP, length: 776 SIP/2.0 200 OK Via: SIP/2.0/UDP 1.2.7.124:31361;rport=31361;received=1.2.7.124;branch=z9hG4bK-314b-c09051-94d2d56 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 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=- 1588169025 1588169029 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 13:49:40.170346 IP (tos 0x90, ttl 63, id 28101, offset 0, flags [none], proto UDP (17), length 899) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 871 ACK sip:1.2.3.15:5060 SIP/2.0 From: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 To: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 4 ACK Via: SIP/2.0/UDP 1.2.7.124:31361;rport;branch=z9hG4bK-314b-c0909d-113c0f0 Max-Forwards: 70 User-Agent: Thomson TG784 Build 8.2.7.7 Contact: Authorization: Digest username="FAX1",realm="asterisk",nonce="1588182572/f808f1473002378dd4e3cd40e85f15b2",uri="sip:1.2.3.15:5060",response="5d1ebf0bd6f32f8e1e10da1f84564699",algorithm=MD5,cnonce="c09051",opaque="51f245b92ff57857",qop=auth,nc=00000003 X-Serialnumber: CP0932NT9DV Accept: application/dtmf-relay, x-application/dtmf-relay, application/sdp Content-Length: 0 13:49:40.231359 IP (tos 0x68, ttl 248, id 60429, offset 0, flags [none], proto UDP (17), length 956) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 928 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-58f8e9b From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 101 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 269 Content-Type: application/sdp v=0 o=- 77710187 77710187 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=image 19449 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:200 a=T38FaxMaxDatagram:200 a=T38FaxUdpEC:t38UDPRedundancy 13:49:41.231223 IP (tos 0x68, ttl 248, id 60485, offset 0, flags [none], proto UDP (17), length 956) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 928 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-58f8e9b From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 101 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 269 Content-Type: application/sdp v=0 o=- 77710187 77710187 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=image 19449 udptl t38 a=T38FaxVersion:0 a=T38MaxBitRate:14400 a=T38FaxRateManagement:transferredTCF a=T38FaxMaxBuffer:200 a=T38FaxMaxDatagram:200 a=T38FaxUdpEC:t38UDPRedundancy 13:49:41.851329 IP (tos 0x0, ttl 64, id 23217, offset 0, flags [DF], proto UDP (17), length 887) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8d8f -> 0x1d95!] SIP, length: 859 INVITE sip:FAX1@1.2.7.124:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPjdaf017d4-9e5d-4b59-8091-d6917b04b9bc From: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Contact: Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11963 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: 119 v=0 o=- 1588169025 1588169030 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 13:49:41.916365 IP (tos 0x90, ttl 63, id 28103, offset 0, flags [none], proto UDP (17), length 617) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 589 SIP/2.0 488 Not Acceptable Here From: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11963 INVITE Via: SIP/2.0/UDP 1.2.3.15:5060;rport=5060;branch=z9hG4bKPjdaf017d4-9e5d-4b59-8091-d6917b04b9bc 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 13:49:41.916682 IP (tos 0x0, ttl 64, id 23221, offset 0, flags [DF], proto UDP (17), length 499) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8c0b -> 0x3ca1!] SIP, length: 471 ACK sip:FAX1@1.2.7.124:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPjdaf017d4-9e5d-4b59-8091-d6917b04b9bc From: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11963 ACK Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 13:49:41.917193 IP (tos 0x0, ttl 64, id 38784, offset 0, flags [DF], proto UDP (17), length 693) 1.2.3.15:5060 > 1.2.10.156.5369: [bad udp cksum 0xd31a -> 0xc639!] SIP, length: 665 SIP/2.0 488 Not Acceptable Here Via: SIP/2.0/UDP 192.168.17.2:5369;rport=5369;received=1.2.10.156;branch=z9hG4bK-58f8e9b Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 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 13:49:41.931703 IP (tos 0x68, ttl 248, id 60521, offset 0, flags [none], proto UDP (17), length 551) 1.2.10.156.5369 > 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-58f8e9b From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 101 ACK Max-Forwards: 70 Contact: "FAX2" User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 13:49:41.934293 IP (tos 0x68, ttl 248, id 60522, offset 0, flags [none], proto UDP (17), length 842) 1.2.10.156.5369 > 1.2.3.15:5060: [udp sum ok] SIP, length: 814 INVITE sip:asterisk@1.2.3.15:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.17.2:5369;branch=z9hG4bK-9f11c0e7 From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Remote-Party-ID: "FAX2" ;screen=yes;party=called Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 102 INVITE Max-Forwards: 70 Contact: "FAX2" Expires: 30 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 154 Content-Type: application/sdp v=0 o=- 77710407 77710407 IN IP4 192.168.17.2 s=- c=IN IP4 192.168.17.2 t=0 0 m=audio 19449 RTP/AVP 0 a=rtpmap:0 PCMU/8000 a=ptime:30 a=sendrecv 13:49:41.934899 IP (tos 0x0, ttl 64, id 38786, offset 0, flags [DF], proto UDP (17), length 817) 1.2.3.15:5060 > 1.2.10.156.5369: [bad udp cksum 0xd396 -> 0x21af!] SIP, length: 789 SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.17.2:5369;rport=5369;received=1.2.10.156;branch=z9hG4bK-9f11c0e7 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 CSeq: 102 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: 181 v=0 o=- 591129586 591129587 IN IP4 1.2.3.15 s=Asterisk c=IN IP4 1.2.3.15 t=0 0 m=audio 11776 RTP/AVP 0 a=rtpmap:0 PCMU/8000 a=ptime:20 a=maxptime:150 a=sendrecv 13:49:41.952819 IP (tos 0x68, ttl 248, id 60524, offset 0, flags [none], proto UDP (17), length 552) 1.2.10.156.5369 > 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-9e16530d From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 102 ACK Max-Forwards: 70 Contact: "FAX2" User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 13:50:27.892886 IP (tos 0x68, ttl 248, id 63653, offset 0, flags [none], proto UDP (17), length 496) 1.2.10.156.5369 > 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-57100734 From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 CSeq: 103 BYE Max-Forwards: 70 User-Agent: Linksys/SPA8000-6.1.12SR1 Allow-Events: talk, hold, conference Content-Length: 0 13:50:27.893346 IP (tos 0x0, ttl 64, id 40501, offset 0, flags [DF], proto UDP (17), length 396) 1.2.3.15:5060 > 1.2.10.156.5369: [bad udp cksum 0xd1f1 -> 0x38d8!] SIP, length: 368 SIP/2.0 200 OK Via: SIP/2.0/UDP 192.168.17.2:5369;rport=5369;received=1.2.10.156;branch=z9hG4bK-57100734 Call-ID: 7db9281a-6f19-4b40-bf4f-794bf5fff107 From: ;tag=e9e6878fd173f8c1i1 To: "FAX1" ;tag=1b5e7373-b4d3-43a0-8553-8015e6b2d0d3 CSeq: 103 BYE Server: Asterisk PBX Content-Length: 0 13:50:27.894308 IP (tos 0x0, ttl 64, id 26907, offset 0, flags [DF], proto UDP (17), length 523) 1.2.3.15:5060 > 1.2.7.124.31361: [bad udp cksum 0x8c23 -> 0x92d4!] SIP, length: 495 BYE sip:FAX1@1.2.7.124:31361 SIP/2.0 Via: SIP/2.0/UDP 1.2.3.15:5060;rport;branch=z9hG4bKPj08f6f7c4-ea12-497e-b84d-f206fd766a5c From: "FAX2" ;tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11964 BYE Reason: Q.850;cause=16 Max-Forwards: 70 User-Agent: Asterisk PBX Content-Length: 0 13:50:28.040283 IP (tos 0x90, ttl 63, id 28141, offset 0, flags [none], proto UDP (17), length 597) 1.2.7.124.31361 > 1.2.3.15:5060: [udp sum ok] SIP, length: 569 SIP/2.0 200 OK From: "FAX2";tag=0a012339-b95b-49f2-bf2e-2faf94a16eb7 To: "FAX1" ;tag=1132680-d047757c-7a81-45028-3143-c307173-3143 Call-ID: 1134e48-d047757c-7a81-45028-3143-1d97c97d-3143 CSeq: 11964 BYE Via: SIP/2.0/UDP 1.2.3.15:5060;rport=5060;branch=z9hG4bKPj08f6f7c4-ea12-497e-b84d-f206fd766a5c 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