type: answer, sdp: v=0
o=- 431215785270205603 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio video
a=msid-semantic: WMS
m=audio 1 RTP/SAVPF 111 103 104 0 8 106 105 13 126
c=IN IP4 0.0.0.0
a=rtcp:1 IN IP4 0.0.0.0
a=ice-ufrag:tsnd/iKOr3brSx23
a=ice-pwd:tZLf4R3a5KK1JtGG+yI1s2DE
a=fingerprint:sha-256 A9:5F:2B:9F:8A:24:41:60:BA:56:37:F5:F0:78:D2:01:77:8E:21:13:29:E9:E3:08:71:E7:DA:BF:38:31:FC:54
a=setup:active
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=sendonly
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=fmtp:111 minptime=10
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:106 CN/32000
a=rtpmap:105 CN/16000
a=rtpmap:13 CN/8000
a=rtpmap:126 telephone-event/8000
a=maxptime:60
m=video 1 RTP/SAVPF 100 116 117 96
c=IN IP4 0.0.0.0
a=rtcp:1 IN IP4 0.0.0.0
a=ice-ufrag:tsnd/iKOr3brSx23
a=ice-pwd:tZLf4R3a5KK1JtGG+yI1s2DE
a=fingerprint:sha-256 A9:5F:2B:9F:8A:24:41:60:BA:56:37:F5:F0:78:D2:01:77:8E:21:13:29:E9:E3:08:71:E7:DA:BF:38:31:FC:54
a=setup:active
a=mid:video
a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time
a=sendonly
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-fb:100 goog-remb
a=rtpmap:116 red/90000
a=rtpmap:117 ulpfec/90000
a=rtpmap:96 rtx/90000
a=fmtp:96 apt=100