To check this I use sdp_get() and after tying to call I print avp from this function and returned sdp body by rtpengine != this content
My log:
Jul 16 17:17:27 test rtpengine[5521]: Got valid command from
127.0.0.1:36484: offer - { "sdp": "v=0#015#012o=- 8380958077563183406 2 IN IP4 127.0.0.1#015#012s=-#015#012t=0 0#015#012a=group:BUNDLE audio#015#012a=msid-semantic: WMS o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012m=audio 56984 UDP/TLS/RTP/SAVPF 111 103 104 0 8 106 105 13 126#015#012c=IN IP4 192.168.56.1#015#012a=rtcp:56984 IN IP4 192.168.56.1#015#012a=candidate:2999745851 1 udp 2122260223 192.168.56.1 56984 typ host generation 0#015#012a=candidate:2999745851 2 udp 2122260223 192.168.56.1 56984 typ host generation 0#015#012a=candidate:2448668656 1 udp 2122194687 192.168.142.1 56985 typ host generation 0#015#012a=candidate:2448668656 2 udp 2122194687 192.168.142.1 56985 typ host generation 0#015#012a=candidate:1206525147 1 udp 2122129151 192.168.2.120 56986 typ host generation 0#015#012a=candidate:1206525147 2 udp 2122129151 192.168.2.120 56986 typ host generation 0#015#012a=candidate:3374335715 1 udp 2122063615 10.34.8.7 56987 typ host generation 0#015#012a=candidate:3374335715 2 udp 2122063615 10.34.8.7 56987 typ host generation 0#015#012a=candidate:2602400937 1 udp 2121998079 192.168.214.1 56988 typ host generation 0#015#012a=candidate:2602400937 2 udp 2121998079 192.168.214.1 56988 typ host generation 0#015#012a=candidate:4233069003 1 tcp 1518280447 192.168.56.1 0 typ host generation 0#015#012a=candidate:4233069003 2 tcp 1518280447 192.168.56.1 0 typ host generation 0#015#012a=candidate:3748678400 1 tcp 1518214911 192.168.142.1 0 typ host generation 0#015#012a=candidate:3748678400 2 tcp 1518214911 192.168.142.1 0 typ host generation 0#015#012a=candidate:157933611 1 tcp 1518149375 192.168.2.120 0 typ host generation 0#015#012a=candidate:157933611 2 tcp 1518149375 192.168.2.120 0 typ host generation 0#015#012a=candidate:2275654163 1 tcp 1518083839 10.34.8.7 0 typ host generation 0#015#012a=candidate:2275654163 2 tcp 1518083839 10.34.8.7 0 typ host generation 0#015#012a=candidate:3583934553 1 tcp 1518018303 192.168.214.1 0 typ host generation 0#015#012a=candidate:3583934553 2 tcp 1518018303 192.168.214.1 0 typ host generation 0#015#012a=ice-ufrag:Oglxt4kDKBr8sfXY#015#012a=ice-pwd:iZAp/WE5TCqIoPA0hIpxztqq#015#012a=ice-options:google-ice#015#012a=fingerprint:sha-256 E3:E7:04:57:80:03:27:12:D6:88:F6:E7:3E:64:4A:55:DA:AD:3F:DA:4E:41:6E:6F:F0:D0:69:A6:AB:AE:79:4F#015#012a=setup:actpass#015#012a=mid:audio#015#012a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level#015#012a=extmap:3
http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time#015#012a=sendrecv#015#012a=rtcp-mux#015#012a=rtpmap:111 opus/48000/2#015#012a=fmtp:111 minptime=10#015#012a=rtpmap:103 ISAC/16000#015#012a=rtpmap:104 ISAC/32000#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:106 CN/32000#015#012a=rtpmap:105 CN/16000#015#012a=rtpmap:13 CN/8000#015#012a=rtpmap:126 telephone-event/8000#015#012a=maxptime:60#015#012a=ssrc:3151729659 cname:wvwdxd7V5hVETGHP#015#012a=ssrc:3151729659 msid:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012a=ssrc:3151729659 mslabel:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012a=ssrc:3151729659 label:bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012", "ICE": "remove", "flags": [ "force", "trust-address" ], "replace": [ "origin", "session-connection" ], "transport-protocol": "RTP/AVP", "call-id": "60m6hpu9sclqnjvhql2q", "received-from": [ "IP4", "213.108.168.163" ], "from-tag": "6oo4g9fr4c", "command": "offer" }
Jul 16 17:17:27 test rtpengine[5521]: Unknown flag encountered: 'force'
Jul 16 17:17:27 test rtpengine[5521]: [60m6hpu9sclqnjvhql2q] Creating new call
Jul 16 17:17:27 test rtpengine[5521]: [60m6hpu9sclqnjvhql2q] Returning to SIP proxy: d3:sdp770:v=0#015#012o=- 8380958077563183406 2 IN IP4 123.33.24.45#015#012s=-#015#012t=0 0#015#012a=msid-semantic: WMS o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012m=audio 30008 RTP/AVP 111 103 104 0 8 106 105 13 126#015#012c=IN IP4 123.33.24.45#015#012a=rtpmap:111 opus/48000/2#015#012a=fmtp:111 minptime=10#015#012a=rtpmap:103 ISAC/16000#015#012a=rtpmap:104 ISAC/32000#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:106 CN/32000#015#012a=rtpmap:105 CN/16000#015#012a=rtpmap:13 CN/8000#015#012a=rtpmap:126 telephone-event/8000#015#012a=maxptime:60#015#012a=ssrc:3151729659 cname:wvwdxd7V5hVETGHP#015#012a=ssrc:3151729659 msid:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012a=ssrc:3151729659 mslabel:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012a=ssrc:3151729659 label:bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012a=sendrecv#015#012a=rtcp:30009#015#012a=rtcp-mux#015#0126:result2:oke
Jul 16 17:17:27 test /usr/sbin/kamailio[6969]: INFO: <script>: Faltured {INVITE}
Jul 16 17:17:27 test /usr/sbin/kamailio[6969]: INFO: <script>: This is not falture {INVITE}
Jul 16 17:17:27 test /usr/sbin/kamailio[6969]: INFO: <script>: SDP is {v=0#015#012o=- 8380958077563183406 2 IN IP4 127.0.0.1#015#012s=-#015#012t=0 0#015#012a=group:BUNDLE audio#015#012a=msid-semantic: WMS o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012m=audio 56984 UDP/TLS/RTP/SAVPF 111 103 104 0 8 106 105 13 126#015#012c=IN IP4 192.168.56.1#015#012a=rtcp:56984 IN IP4 192.168.56.1#015#012a=candidate:2999745851 1 udp 2122260223 192.168.56.1 56984 typ host generation 0#015#012a=candidate:2999745851 2 udp 2122260223 192.168.56.1 56984 typ host generation 0#015#012a=candidate:2448668656 1 udp 2122194687 192.168.142.1 56985 typ host generation 0#015#012a=candidate:2448668656 2 udp 2122194687 192.168.142.1 56985 typ host generation 0#015#012a=candidate:1206525147 1 udp 2122129151 192.168.2.120 56986 typ host generation 0#015#012a=candidate:1206525147 2 udp 2122129151 192.168.2.120 56986 typ host generation 0#015#012a=candidate:3374335715 1 udp 2122063615 10.34.8.7 56987 typ host generation 0#015#012a=candidate:3374335715 2 udp 2122063615 10.34.8.7 56987 typ host generation 0#015#012a=candidate:2602400937 1 udp 2121998079 192.168.214.1 56988 typ host generation 0#015#012a=candidate:2602400937 2 udp 2121998079 192.168.214.1 56988 typ host generation 0#015#012a=candidate:4233069003 1 tcp 1518280447 192.168.56.1 0 typ host generation 0#015#012a=candidate:4233069003 2 tcp 1518280447 192.168.56.1 0 typ host generation 0#015#012a=candidate:3748678400 1 tcp 1518214911 192.168.142.1 0 typ host generation 0#015#012a=candidate:3748678400 2 tcp 1518214911 192.168.142.1 0 typ host generation 0#015#012a=candidate:157933611 1 tcp 1518149375 192.168.2.120 0 typ host generation 0#015#012a=candidate:157933611 2 tcp 1518149375 192.168.2.120 0 typ host generation 0#015#012a=candidate:2275654163 1 tcp 1518083839 10.34.8.7 0 typ host generation 0#015#012a=candidate:2275654163 2 tcp 1518083839 10.34.8.7 0 typ host generation 0#015#012a=candidate:3583934553 1 tcp 1518018303 192.168.214.1 0 typ host generation 0#015#012a=candidate:3583934553 2 tcp 1518018303 192.168.214.1 0 typ host generation 0#015#012a=ice-ufrag:Oglxt4kDKBr8sfXY#015#012a=ice-pwd:iZAp/WE5TCqIoPA0hIpxztqq#015#012a=ice-options:google-ice#015#012a=fingerprint:sha-256 E3:E7:04:57:80:03:27:12:D6:88:F6:E7:3E:64:4A:55:DA:AD:3F:DA:4E:41:6E:6F:F0:D0:69:A6:AB:AE:79:4F#015#012a=setup:actpass#015#012a=mid:audio#015#012a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level#015#012a=extmap:3
http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time#015#012a=sendrecv#015#012a=rtcp-mux#015#012a=rtpmap:111 opus/48000/2#015#012a=fmtp:111 minptime=10#015#012a=rtpmap:103 ISAC/16000#015#012a=rtpmap:104 ISAC/32000#015#012a=rtpmap:0 PCMU/8000#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:106 CN/32000#015#012a=rtpmap:105 CN/16000#015#012a=rtpmap:13 CN/8000#015#012a=rtpmap:126 telephone-event/8000#015#012a=maxptime:60#015#012a=ssrc:3151729659 cname:wvwdxd7V5hVETGHP#015#012a=ssrc:3151729659 msid:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012a=ssrc:3151729659 mslabel:o2PCyrMBSdtfFMt6oYXoSeBdfUskxKN6dWXE#015#012a=ssrc:3151729659 label:bdfb98b7-2eed-4d85-bdbb-b097df5c09f2#015#012}