v=0 o=- 16833 1 IN IP4 0.0.0.0 s=- t=0 0 a=group:BUNDLE audio video a=group:LS audio video a=ice-options:trickle m=audio 49203 UDP/TLS/RTP/SAVPF 109 c=IN IP4 203.0.113.77 a=mid:audio a=msid:ma ta a=sendrecv a=rtpmap:109 opus/48000/2 a=maxptime:120 a=ice-ufrag:c300d85b a=ice-pwd:de4e99bd291c325921d5d47efbabd9a2 a=fingerprint:sha-256 6B:8B:F0:65:5F:78:E2:51:3B:AC:6F:F3:3F:46:1B:35:DC:B8:5F:64:1A:24:C2:43:F0:A1:58:D0:A1:2C:19:08 a=setup:active a=tls-id:CJ6FF9ZZMJW7MDRJIR7XVIQM48GE1G31 a=rtcp-mux a=rtcp-mux-only a=rtcp-rsize a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid a=candidate:0 1 UDP 2113667327 198.51.100.7 51556 typ host a=candidate:1 1 UDP 1694302207 203.0.113.77 49203 typ srflx raddr 198.51.100.7 rport 51556 a=end-of-candidates m=video 0 UDP/TLS/RTP/SAVPF 120 c=IN IP4 203.0.113.77 a=bundle-only a=mid:video a=msid:ma tb a=sendrecv a=rtpmap:120 VP8/90000 a=rtcp-fb:120 nack a=rtcp-fb:120 nack pli a=rtcp-fb:120 ccm fir a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid