WebRTC Firefox 54 SDP offer

gistfile1.txt

v=0
o=mozilla...THIS_IS_SDPARTA-54.0 1039943552010360183 0 IN IP4 0.0.0.0
s=-
t=0 0
a=fingerprint:sha-256 7D:D6:A1:06:55:5B:A4:51:D7:25:1D:82:0E:93:8D:50:3D:7E:65:32:EF:8C:B2:46:71:36:E0:30:4A:BD:C6:3B
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 9 UDP/TLS/RTP/SAVPF 109 9 0 8 101
c=IN IP4 0.0.0.0
a=sendrecv
a=extmap:1/sendonly urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=fmtp:109 maxplaybackrate=48000;stereo=1;useinbandfec=1
a=fmtp:101 0-15
a=ice-pwd:dff03251def0dcc95ed04179ac49a272
a=ice-ufrag:96fad639
a=mid:sdparta_0
a=msid:{837e65fe-88b2-42ea-9671-13dcaa8f95ae} {058cb60d-19c8-4571-a443-6b6546179cf8}
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=rtpmap:9 G722/8000/1
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:101 telephone-event/8000/1
a=setup:actpass
a=ssrc:4142795637 cname:{8f81e94d-0770-4d9f-bec2-c419ae96fec8}
m=video 9 UDP/TLS/RTP/SAVPF 120 121 126 97
c=IN IP4 0.0.0.0
a=sendrecv
a=extmap:1 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=fmtp:126 profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
a=fmtp:120 max-fs=12288;max-fr=60
a=fmtp:121 max-fs=12288;max-fr=60
a=ice-pwd:dff03251def0dcc95ed04179ac49a272
a=ice-ufrag:96fad639
a=mid:sdparta_1
a=msid:{837e65fe-88b2-42ea-9671-13dcaa8f95ae} {6e05051e-6e73-4118-a8ad-732cebe45970}
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:120 goog-remb
a=rtcp-fb:121 nack
a=rtcp-fb:121 nack pli
a=rtcp-fb:121 ccm fir
a=rtcp-fb:121 goog-remb
a=rtcp-fb:126 nack
a=rtcp-fb:126 nack pli
a=rtcp-fb:126 ccm fir
a=rtcp-fb:126 goog-remb
a=rtcp-fb:97 nack
a=rtcp-fb:97 nack pli
a=rtcp-fb:97 ccm fir
a=rtcp-fb:97 goog-remb
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:121 VP9/90000
a=rtpmap:126 H264/90000
a=rtpmap:97 H264/90000
a=setup:actpass
a=ssrc:3423839506 cname:{8f81e94d-0770-4d9f-bec2-c419ae96fec8}