Anyone out there using libwebphone with the latest chrome? It requires RTCP-MUX but freeswitch doesn't seem to be sending that option back in the SDP
DOMException: Failed to set remote answer sdp: The m= section:audio is invalid. RTCP-MUX is not enabled when it is required.
Invite SDP
v=0
o=- 5642560587213744585 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio
a=msid-semantic: WMS d2wU2EDIpgvgIRXlUHM79Pscw8diHdSDzIZP
m=audio 57437 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 24.117.91.110
a=rtcp:9 IN IP4 0.0.0.0
a=candidate:2999745851 1 udp 2122260223 192.168.56.1 57436 typ host generation 0 network-id 1
a=candidate:2880323124 1 udp 2122194687 192.168.1.116 57437 typ host generation 0 network-id 2 network-cost 10
a=candidate:719730816 1 udp 1685987071 24.117.91.110 57437 typ srflx raddr 192.168.1.116 rport 57437 generation 0 network-id 2 network-cost 10
a=candidate:4233069003 1 tcp 1518280447 192.168.56.1 9 typ host tcptype active generation 0 network-id 1
a=candidate:3844981444 1 tcp 1518214911 192.168.1.116 9 typ host tcptype active generation 0 network-id 2 network-cost 10
a=ice-ufrag:qHBn
a=ice-pwd:oFD36OwbtZYHBZzK/qAWbnv0
a=ice-options:trickle
a=fingerprint:sha-256 05:7A:F5:92:39:33:27:0C:A3:09:B4:BA:7F:D3:5A:2A:A2:46:F9:1D:5D:C2:5C:18:3C:98:AF:50:9F:FC:77:C0
a=setup:actpass
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=sendrecv
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=rtcp-fb:111 transport-cc
a=fmtp:111 minptime=10;useinbandfec=1
a=rtpmap:103 ISAC/16000
a=rtpmap:104 ISAC/32000
a=rtpmap:9 G722/8000
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:110 telephone-event/48000
a=rtpmap:112 telephone-event/32000
a=rtpmap:113 telephone-event/16000
a=rtpmap:126 telephone-event/8000
a=ssrc:2897088988 cname:YJzJlwoyq8UF+WPP
a=ssrc:2897088988 msid:d2wU2EDIpgvgIRXlUHM79Pscw8diHdSDzIZP 477c7b1b-7651-4677-b890-7c42e8623694
a=ssrc:2897088988 mslabel:d2wU2EDIpgvgIRXlUHM79Pscw8diHdSDzIZP
a=ssrc:2897088988 label:477c7b1b-7651-4677-b890-7c42e8623694
Response SDP
v=0
o=FreeSWITCH 1531232378 1531232379 IN IP4 64.135.116.201
s=FreeSWITCH
c=IN IP4 64.135.116.201
t=0 0
a=msid-semantic: WMS BFGLI4NeUREfo2q96D1d6kJkJpnzALM2
m=audio 18314 UDP/TLS/RTP/SAVPF 111 110 106
a=rtpmap:111 opus/48000/2
a=fmtp:111 useinbandfec=1; minptime=10
a=rtpmap:110 telephone-event/48000
a=rtpmap:106 CN/8000
a=ptime:20
a=fingerprint:sha-256 40:73:07:62:AF:6C:F2:9B:41:CA:CE:B2:17:82:4D:4B:0A:0C:80:0E:34:DC:C5:FF:17:8A:74:59:13:94:46:1F
a=setup:active
a=rtcp:18315 IN IP4 64.135.116.201
a=ice-ufrag:O3iLdRVN78cyKPqR
a=ice-pwd:YUx21hRPwLSEWVIAOQbSyXvw
a=candidate:7654390048 1 udp 659136 64.135.116.201 18314 typ host generation 0
a=candidate:7654390048 2 udp 659135 64.135.116.201 18315 typ host generation 0
a=end-of-candidates
a=ssrc:2068390692 cname:hjDPdhUYYp4chkce
a=ssrc:2068390692 msid:BFGLI4NeUREfo2q96D1d6kJkJpnzALM2 a0
a=ssrc:2068390692 mslabel:BFGLI4NeUREfo2q96D1d6kJkJpnzALM2
a=ssrc:2068390692 label:BFGLI4NeUREfo2q96D1d6kJkJpnzALM2a0
Freeswitch version 1.6.20 kazoo version 4.2-37
