Re: Assistance on WebRTC implementation with Kamilio, RTPengine and FS on a 1:1 NAT Cloud VM

David Villasmil via sr-users <[email protected]>
Newsgroups gmane.comp.voip.ser
Message-ID <CAFGRPVrdCB1jWMTX9YqY4EX1vovG9ZT+vxFLqnKz=ukRfe0tsg@mail.gmail.com> 
A few things:

remove any public info from the traces, you're showing public urls and
other sensitive information.

On the session progress, kamailio is offering a private ip as well. I don't
think this call is hitting the rtpengine, check rtpengine's logs.

Regards,

David Villasmil
email: [email protected]



On Tue, Feb 3, 2026 at 10:16 PM Goons via sr-users <
[email protected]> wrote:

> >From server side
>
> 2026/02/03 21:33:57.214579 192.168.73.34:5060 -> 192.168.73.34:5070
> INVITE sip:[email protected] SIP/2.0
> Record-Route: <sip:54.188.121.143:5060
> ;nat=yes;ftag=a6ru8sg7v3;lr=on;nat=yes>
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.dc1e6128d5411e0b709be571f4c2042b.0
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK8308275
> To: <sip:[email protected]>
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> CSeq: 2 INVITE
> Call-ID: 1dslefijfbh8abn8kigk
> Max-Forwards: 69
> Contact: <sip:[email protected]
> :56338;transport=ws;ob;alias=102.135.203.58~56338~6>
> Allow: ACK,CANCEL,INVITE,MESSAGE,BYE,OPTIONS,INFO,NOTIFY,REFER
> Supported: outbound
> User-Agent: SIP.js/0.21.1
> Content-Type: application/sdp
> Content-Length: 6796
> X-WITHMEDIA: 0
> X-MEDIP: 102.135.203.58
> X-ACCOUNTCODE: ESD00001
> X-DEVICEID: 3
> X-DEVICECC: 1
> X-DEVICECPS: 1
> X-ACCOUNTID: 5
> X-ACCOUNTCC: 100
> X-ACCOUNTCPS: 100
> X-DEVICETYPE: u
> X-RE: <null>
> X-AI: <null>
> X-PU: <null>
>
> v=0
> o=- 4023364144424236516 2 IN IP4 127.0.0.1
> s=-
> t=0 0
> a=group:BUNDLE 0 1
> a=extmap-allow-mixed
> a=msid-semantic: WMS 1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> m=audio 27459 UDP/TLS/RTP/SAVPF 111 63 9 0 8 13 110 126
> c=IN IP4 102.135.203.58
> a=rtcp:9 IN IP4 0.0.0.0
> a=candidate:254552411 1 udp 2122260223 192.168.56.1 50305 typ host
> generation 0 network-id 2
> a=candidate:2152033234 1 udp 2122194687 10.10.3.51 50306 typ host
> generation 0 network-id 1 network-cost 10
> a=candidate:2522358112 1 udp 1685987071 102.135.203.58 27459 typ srflx
> raddr 10.10.3.51 rport 50306 generation 0 network-id 1 network-cost 10
> a=candidate:1910754243 1 tcp 1518280447 192.168.56.1 9 typ host tcptype
> active generation 0 network-id 2
> a=candidate:4270491978 1 tcp 1518214911 10.10.3.51 9 typ host tcptype
> active generation 0 network-id 1 network-cost 10
> a=ice-ufrag:knGB
> a=ice-pwd:8XwYPNP2clVO297isWYDvqiz
> a=ice-options:trickle
> a=fingerprint:sha-256
> D4:C6:4B:7A:A3:C5:89:5B:46:94:6A:17:87:53:AD:EB:54:DA:2F:07:13:DE:05:20:DF:95:ED:F3:4D:92:B2:47
> a=setup:actpass
> a=mid:0
> a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
> a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
> a=extmap:3
> <http://www.webrtc.org/experiments/rtp-hdrext/abs-send-timea=extmap:3>
> http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
> a=extmap:4
> <http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01a=extmap:4>
> urn:ietf:params:rtp-hdrext:sdes:mid
> a=sendrecv
> a=msid:1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> cad39238-928a-497d-909d-5c25b2ef2651
> a=rtcp-mux
> a=rtcp-rsize
> a=rtpmap:111 opus/48000/2
> a=rtcp-fb:111 transport-cc
> a=fmtp:111 minptime=10;useinbandfec=1
> a=rtpmap:63 red/48000/2
> a=fmtp:63 111/111
> a=rtpmap:9 G722/8000
> a=rtpmap:0 PCMU/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:13 CN/8000
> a=rtpmap:110 telephone-event/48000
> a=rtpmap:126 telephone-event/8000
> a=ssrc:180114246 cname:JNopnIWR3K7wE9ja
> a=ssrc:180114246 msid:1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> cad39238-928a-497d-909d-5c25b2ef2651
> m=video 41328 UDP/TLS/RTP/SAVPF 96 97 103 104 107 108 109 114 115 116 117
> 118 39 40 45 46 98 99 100 101 119 120 123 124 125
> c=IN IP4 102.135.203.58
> a=rtcp:9 IN IP4 0.0.0.0
> a=candidate:254552411 1 udp 2122260223 192.168.56.1 50307 typ host
> generation 0 network-id 2
> a=candidate:2152033234 1 udp 2122194687 10.10.3.51 50308 typ host
> generation 0 network-id 1 network-cost 10
> a=candidate:2522358112 1 udp 1685987071 102.135.203.58 41328 typ srflx
> raddr 10.10.3.51 rport 50308 generation 0 network-id 1 network-cost 10
> a=candidate:1910754243 1 tcp 1518280447 192.168.56.1 9 typ host tcptype
> active generation 0 network-id 2
> a=candidate:4270491978 1 tcp 1518214911 10.10.3.51 9 typ host tcptype
> active generation 0 network-id 1 network-cost 10
> a=ice-ufrag:knGB
> a=ice-pwd:8XwYPNP2clVO297isWYDvqiz
> a=ice-options:trickle
> a=fingerprint:sha-256
> D4:C6:4B:7A:A3:C5:89:5B:46:94:6A:17:87:53:AD:EB:54:DA:2F:07:13:DE:05:20:DF:95:ED:F3:4D:92:B2:47
> a=setup:actpass
> a=mid:1
> a=extmap:14 urn:ietf:params:rtp-hdrext:toffset
> a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
> a=extmap:13
> <http://www.webrtc.org/experiments/rtp-hdrext/abs-send-timea=extmap:13>
> urn:3gpp:video-orientation
> a=extmap:3
> http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01
> a=extmap:5
> <http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01a=extmap:5>
> http://www.webrtc.org/experiments/rtp-hdrext/playout-delay
> a=extmap:6
> <http://www.webrtc.org/experiments/rtp-hdrext/playout-delaya=extmap:6>
> http://www.webrtc.org/experiments/rtp-hdrext/video-content-type
> a=extmap:7
> <http://www.webrtc.org/experiments/rtp-hdrext/video-content-typea=extmap:7>
> http://www.webrtc.org/experiments/rtp-hdrext/video-timing
> a=extmap:8
> <http://www.webrtc.org/experiments/rtp-hdrext/video-timinga=extmap:8>
> http://www.webrtc.org/experiments/rtp-hdrext/color-space
> a=extmap:4
> <http://www.webrtc.org/experiments/rtp-hdrext/color-spacea=extmap:4>
> urn:ietf:params:rtp-hdrext:sdes:mid
> a=extmap:10 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
> a=extmap:11 urn:ietf:params:rtp-hdrext:sdes:repaired-rtp-stream-id
> a=sendrecv
> a=msid:1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> 7eb68fa7-5a29-4242-a670-d1bb036503e3
> a=rtcp-mux
> a=rtcp-rsize
> a=rtpmap:96 VP8/90000
> a=rtcp-fb:96 goog-remb
> a=rtcp-fb:96 transport-cc
> a=rtcp-fb:96 ccm fir
> a=rtcp-fb:96 nack
> a=rtcp-fb:96 nack pli
> a=rtpmap:97 rtx/90000
> a=fmtp:97 apt=96
> a=rtpmap:103 H264/90000
> a=rtcp-fb:103 goog-remb
> a=rtcp-fb:103 transport-cc
> a=rtcp-fb:103 ccm fir
> a=rtcp-fb:103 nack
> a=rtcp-fb:103 nack pli
> a=fmtp:103
> level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
> a=rtpmap:104 rtx/90000
> a=fmtp:104 apt=103
> a=rtpmap:107 H264/90000
> a=rtcp-fb:107 goog-remb
> a=rtcp-fb:107 transport-cc
> a=rtcp-fb:107 ccm fir
> a=rtcp-fb:107 nack
> a=rtcp-fb:107 nack pli
> a=fmtp:107
> level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
> a=rtpmap:108 rtx/90000
> a=fmtp:108 apt=107
> a=rtpmap:109 H264/90000
> a=rtcp-fb:109 goog-remb
> a=rtcp-fb:109 transport-cc
> a=rtcp-fb:109 ccm fir
> a=rtcp-fb:109 nack
> a=rtcp-fb:109 nack pli
> a=fmtp:109
> level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
> a=rtpmap:114 rtx/90000
> a=fmtp:114 apt=109
> a=rtpmap:115 H264/90000
> a=rtcp-fb:115 goog-remb
> a=rtcp-fb:115 transport-cc
> a=rtcp-fb:115 ccm fir
> a=rtcp-fb:115 nack
> a=rtcp-fb:115 nack pli
> a=fmtp:115
> level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f
> a=rtpmap:116 rtx/90000
> a=fmtp:116 apt=115
> a=rtpmap:117 H264/90000
> a=rtcp-fb:117 goog-remb
> a=rtcp-fb:117 transport-cc
> a=rtcp-fb:117 ccm fir
> a=rtcp-fb:117 nack
> a=rtcp-fb:117 nack pli
> a=fmtp:117
> level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d001f
> a=rtpmap:118 rtx/90000
> a=fmtp:118 apt=117
> a=rtpmap:39 H264/90000
> a=rtcp-fb:39 goog-remb
> a=rtcp-fb:39 transport-cc
> a=rtcp-fb:39 ccm fir
> a=rtcp-fb:39 nack
> a=rtcp-fb:39 nack pli
> a=fmtp:39
> level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=4d001f
> a=rtpmap:40 rtx/90000
> a=fmtp:40 apt=39
> a=rtpmap:45 AV1/90000
> a=rtcp-fb:45 goog-remb
> a=rtcp-fb:45 transport-cc
> a=rtcp-fb:45 ccm fir
> a=rtcp-fb:45 nack
> a=rtcp-fb:45 nack pli
> a=fmtp:45 level-idx=5;profile=0;tier=0
> a=rtpmap:46 rtx/90000
> a=fmtp:46 apt=45
> a=rtpmap:98 VP9/90000
> a=rtcp-fb:98 goog-remb
> a=rtcp-fb:98 transport-cc
> a=rtcp-fb:98 ccm fir
> a=rtcp-fb:98 nack
> a=rtcp-fb:98 nack pli
> a=fmtp:98 profile-id=0
> a=rtpmap:99 rtx/90000
> a=fmtp:99 apt=98
> a=rtpmap:100 VP9/90000
> a=rtcp-fb:100 goog-remb
> a=rtcp-fb:100 transport-cc
> a=rtcp-fb:100 ccm fir
> a=rtcp-fb:100 nack
> a=rtcp-fb:100 nack pli
> a=fmtp:100 profile-id=2
> a=rtpmap:101 rtx/90000
> a=fmtp:101 apt=100
> a=rtpmap:119 H264/90000
> a=rtcp-fb:119 goog-remb
> a=rtcp-fb:119 transport-cc
> a=rtcp-fb:119 ccm fir
> a=rtcp-fb:119 nack
> a=rtcp-fb:119 nack pli
> a=fmtp:119
> level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=64001f
> a=rtpmap:120 rtx/90000
> a=fmtp:120 apt=119
> a=rtpmap:123 red/90000
> a=rtpmap:124 rtx/90000
> a=fmtp:124 apt=123
> a=rtpmap:125 ulpfec/90000
> a=ssrc-group:FID 3434777543 2473260246
> a=ssrc:3434777543 cname:JNopnIWR3K7wE9ja
> a=ssrc:3434777543 msid:1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> 7eb68fa7-5a29-4242-a670-d1bb036503e3
> a=ssrc:2473260246 cname:JNopnIWR3K7wE9ja
> a=ssrc:2473260246 msid:1ac3c00a-27c7-40c5-814d-cedcfe372ab1
> 7eb68fa7-5a29-4242-a670-d1bb036503e3
>
>
> 2026/02/03 21:33:57.216780 192.168.73.34:5070 -> 192.168.73.34:5060
> SIP/2.0 100 Trying
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.dc1e6128d5411e0b709be571f4c2042b.0;received=192.168.73.34
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> To: <sip:[email protected]>
> Call-ID: 1dslefijfbh8abn8kigk
> CSeq: 2 INVITE
> User-Agent: Esdiac-Switch
> Content-Length: 0
>
>
>
> 2026/02/03 21:33:57.239257 192.168.73.34:5070 -> 192.168.73.34:5060
> SIP/2.0 183 Session Progress
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.dc1e6128d5411e0b709be571f4c2042b.0;received=192.168.73.34
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK8308275
> Record-Route: <sip:54.188.121.143:5060
> ;nat=yes;ftag=a6ru8sg7v3;lr=on;nat=yes>
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> To: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> Call-ID: 1dslefijfbh8abn8kigk
> CSeq: 2 INVITE
> Contact: <sip:[email protected]:5070;transport=udp>
> User-Agent: Esdiac-Switch
> Accept: application/sdp
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
> REFER, NOTIFY, PUBLISH, SUBSCRIBE
> Supported: timer, path, replaces
> Allow-Events: talk, hold, conference, presence, as-feature-event, dialog,
> line-seize, call-info, sla, include-session-description, presence.winfo,
> message-summary, refer
> Content-Type: application/sdp
> Content-Disposition: session
> Content-Length: 1548
> Remote-Party-ID: "2348074563047" <sip:[email protected]
> >;party=calling;privacy=off;screen=no
>
> v=0
> o=FreeSWITCH 1770126531 1770126532 IN IP4 192.168.73.34
> s=FreeSWITCH
> c=IN IP4 192.168.73.34
> t=0 0
> a=msid-semantic: WMS 1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> m=audio 24306 UDP/TLS/RTP/SAVPF 0 126
> a=rtpmap:0 PCMU/8000
> a=rtpmap:126 telephone-event/8000
> a=ptime:20
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:24306 IN IP4 192.168.73.34
> a=ice-ufrag:FBr4DVQlVVL7pYaY
> a=ice-pwd:ee4xHHGIe721szIX1ZSuLzGw
> a=candidate:9443389322 1 udp 2130706431 192.168.73.34 24306 typ host
> generation 0
> a=end-of-candidates
> a=ssrc:1311222269 cname:JqeftCNjbGAtWvHR
> a=ssrc:1311222269 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd a0
> a=ssrc:1311222269 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:1311222269 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmda0
> m=video 32162 UDP/TLS/RTP/SAVPF 96
> b=AS:1024
> a=rtpmap:96 VP8/90000
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:32162 IN IP4 192.168.73.34
> a=rtcp-fb:96 ccm fir
> a=rtcp-fb:96 nack
> a=rtcp-fb:96 nack pli
> a=ssrc:426168586 cname:JqeftCNjbGAtWvHR
> a=ssrc:426168586 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd v0
> a=ssrc:426168586 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:426168586 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmdv0
> a=ice-ufrag:CAajvtYYym6oXIwq
> a=ice-pwd:FYXDbMz0BKcvv0rXrs7MMVBa
> a=candidate:3228557489 1 udp 2130706431 192.168.73.34 32162 typ host
> generation 0
> a=end-of-candidates
>
>
> 2026/02/03 21:34:08.846352 192.168.73.34:5070 -> 192.168.73.34:5060
> SIP/2.0 183 Session Progress
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.dc1e6128d5411e0b709be571f4c2042b.0;received=192.168.73.34
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK8308275
> Record-Route: <sip:54.188.121.143:5060
> ;nat=yes;ftag=a6ru8sg7v3;lr=on;nat=yes>
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> To: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> Call-ID: 1dslefijfbh8abn8kigk
> CSeq: 2 INVITE
> Contact: <sip:[email protected]:5070;transport=udp>
> User-Agent: Esdiac-Switch
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
> REFER, NOTIFY, PUBLISH, SUBSCRIBE
> Supported: timer, path, replaces
> Allow-Events: talk, hold, conference, presence, as-feature-event, dialog,
> line-seize, call-info, sla, include-session-description, presence.winfo,
> message-summary, refer
> Content-Type: application/sdp
> Content-Disposition: session
> Content-Length: 1548
> Remote-Party-ID: "Outbound Call" <sip:[email protected]
> >;party=calling;privacy=off;screen=no
>
> v=0
> o=FreeSWITCH 1770126531 1770126532 IN IP4 192.168.73.34
> s=FreeSWITCH
> c=IN IP4 192.168.73.34
> t=0 0
> a=msid-semantic: WMS 1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> m=audio 24306 UDP/TLS/RTP/SAVPF 0 126
> a=rtpmap:0 PCMU/8000
> a=rtpmap:126 telephone-event/8000
> a=ptime:20
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:24306 IN IP4 192.168.73.34
> a=ice-ufrag:FBr4DVQlVVL7pYaY
> a=ice-pwd:ee4xHHGIe721szIX1ZSuLzGw
> a=candidate:9443389322 1 udp 2130706431 192.168.73.34 24306 typ host
> generation 0
> a=end-of-candidates
> a=ssrc:1311222269 cname:JqeftCNjbGAtWvHR
> a=ssrc:1311222269 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd a0
> a=ssrc:1311222269 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:1311222269 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmda0
> m=video 32162 UDP/TLS/RTP/SAVPF 96
> b=AS:1024
> a=rtpmap:96 VP8/90000
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:32162 IN IP4 192.168.73.34
> a=rtcp-fb:96 ccm fir
> a=rtcp-fb:96 nack
> a=rtcp-fb:96 nack pli
> a=ssrc:426168586 cname:JqeftCNjbGAtWvHR
> a=ssrc:426168586 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd v0
> a=ssrc:426168586 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:426168586 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmdv0
> a=ice-ufrag:CAajvtYYym6oXIwq
> a=ice-pwd:FYXDbMz0BKcvv0rXrs7MMVBa
> a=candidate:3228557489 1 udp 2130706431 192.168.73.34 32162 typ host
> generation 0
> a=end-of-candidates
>
>
> 2026/02/03 21:34:18.634311 192.168.73.34:5070 -> 192.168.73.34:5060
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.dc1e6128d5411e0b709be571f4c2042b.0;received=192.168.73.34
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK8308275
> Record-Route: <sip:54.188.121.143:5060
> ;nat=yes;ftag=a6ru8sg7v3;lr=on;nat=yes>
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> To: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> Call-ID: 1dslefijfbh8abn8kigk
> CSeq: 2 INVITE
> Contact: <sip:[email protected]:5070;transport=udp>
> User-Agent: Esdiac-Switch
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
> REFER, NOTIFY, PUBLISH, SUBSCRIBE
> Supported: timer, path, replaces
> Allow-Events: talk, hold, conference, presence, as-feature-event, dialog,
> line-seize, call-info, sla, include-session-description, presence.winfo,
> message-summary, refer
> Content-Type: application/sdp
> Content-Disposition: session
> Content-Length: 1548
> Remote-Party-ID: "Outbound Call" <sip:[email protected]
> >;party=calling;privacy=off;screen=no
>
> v=0
> o=FreeSWITCH 1770126531 1770126532 IN IP4 192.168.73.34
> s=FreeSWITCH
> c=IN IP4 192.168.73.34
> t=0 0
> a=msid-semantic: WMS 1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> m=audio 24306 UDP/TLS/RTP/SAVPF 0 126
> a=rtpmap:0 PCMU/8000
> a=rtpmap:126 telephone-event/8000
> a=ptime:20
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:24306 IN IP4 192.168.73.34
> a=ice-ufrag:FBr4DVQlVVL7pYaY
> a=ice-pwd:ee4xHHGIe721szIX1ZSuLzGw
> a=candidate:9443389322 1 udp 2130706431 192.168.73.34 24306 typ host
> generation 0
> a=end-of-candidates
> a=ssrc:1311222269 cname:JqeftCNjbGAtWvHR
> a=ssrc:1311222269 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd a0
> a=ssrc:1311222269 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:1311222269 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmda0
> m=video 32162 UDP/TLS/RTP/SAVPF 96
> b=AS:1024
> a=rtpmap:96 VP8/90000
> a=fingerprint:sha-256
> 26:61:EF:63:37:36:A0:B9:F2:23:08:34:72:AF:BA:78:82:2E:BD:61:61:8E:EC:58:8B:37:58:60:F4:72:A5:84
> a=setup:active
> a=rtcp-mux
> a=rtcp:32162 IN IP4 192.168.73.34
> a=rtcp-fb:96 ccm fir
> a=rtcp-fb:96 nack
> a=rtcp-fb:96 nack pli
> a=ssrc:426168586 cname:JqeftCNjbGAtWvHR
> a=ssrc:426168586 msid:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd v0
> a=ssrc:426168586 mslabel:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmd
> a=ssrc:426168586 label:1febGcyHZI2rsq5n4j4KzbEVS9fAlDmdv0
> a=ice-ufrag:CAajvtYYym6oXIwq
> a=ice-pwd:FYXDbMz0BKcvv0rXrs7MMVBa
> a=candidate:3228557489 1 udp 2130706431 192.168.73.34 32162 typ host
> generation 0
> a=end-of-candidates
>
>
> 2026/02/03 21:34:19.071827 192.168.73.34:5060 -> 54.188.121.143:5070
> ACK sip:[email protected]:5070;transport=udp;alias=192.168.73.34~5070~1
> SIP/2.0
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.e6b53e3c27f8422d149a2f8d9fb6b1f7.0
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK878186
> To: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> CSeq: 2 ACK
> Call-ID: 1dslefijfbh8abn8kigk
> Max-Forwards: 69
> Supported: outbound
> User-Agent: SIP.js/0.21.1
> Content-Length: 0
>
>
>
> 2026/02/03 21:34:19.071910 54.188.121.143:5060 -> 192.168.73.34:5070
> ACK sip:[email protected]:5070;transport=udp;alias=192.168.73.34~5070~1
> SIP/2.0
> Via: SIP/2.0/UDP 54.188.121.143:5060
> ;branch=z9hG4bK5231.e6b53e3c27f8422d149a2f8d9fb6b1f7.0
> Via: SIP/2.0/WSS
> 126sf40t2035.invalid;rport=56338;received=102.135.203.58;branch=z9hG4bK878186
> To: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> From: <sip:[email protected]>;tag=a6ru8sg7v3
> CSeq: 2 ACK
> Call-ID: 1dslefijfbh8abn8kigk
> Max-Forwards: 69
> Supported: outbound
> User-Agent: SIP.js/0.21.1
> Content-Length: 0
>
>
>
> 2026/02/03 21:39:18.655701 192.168.73.34:5070 -> 192.168.73.34:5060
> BYE sip:[email protected]:56338;transport=ws;ob;alias=102.135.203.58~56338~6
> SIP/2.0
> Via: SIP/2.0/UDP 54.188.121.143:5070;rport;branch=z9hG4bK2mpQj0F9a440c
> Route: <sip:54.188.121.143:5060;nat=yes;ftag=a6ru8sg7v3;lr=on;nat=yes>
> Max-Forwards: 70
> From: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> To: <sip:[email protected]>;tag=a6ru8sg7v3
> Call-ID: 1dslefijfbh8abn8kigk
> CSeq: 110521787 BYE
> User-Agent: Esdiac-Switch
> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER,
> REFER, NOTIFY, PUBLISH, SUBSCRIBE
> Supported: timer, path, replaces
> Reason: SIP;cause=804;text="MEDIA_TIMEOUT"
> Content-Length: 0
>
>
>
> 2026/02/03 21:39:19.043681 192.168.73.34:5060 -> 192.168.73.34:5070
> SIP/2.0 200 OK
> Via: SIP/2.0/UDP 54.188.121.143:5070
> ;received=192.168.73.34;rport=5070;branch=z9hG4bK2mpQj0F9a440c
> From: <sip:[email protected]>;tag=aZ1SZyDX2ct0D
> To: <sip:[email protected]>;tag=a6ru8sg7v3
> CSeq: 110521787 BYE
> Call-ID: 1dslefijfbh8abn8kigk
> Supported: outbound
> User-Agent: SIP.js/0.21.1
> Content-Length: 0
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions --
> [email protected]
> To unsubscribe send an email to [email protected]
> Important: keep the mailing list in the recipients, do not reply only to
> the sender!
>

__________________________________________________________
Kamailio - Users Mailing List - Non Commercial Discussions -- [email protected]
To unsubscribe send an email to [email protected]
Important: keep the mailing list in the recipients, do not reply only to the sender!
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.