v=0
o=- 6217709524097477332 2 IN IP4 127.0.0.1
s=-
t=0 0
a=group:BUNDLE audio
a=msid-semantic: WMS dLkG83iuOKAh96i67IUscVSZuEx9AgMgazPt
m=audio 28133 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
c=IN IP4 217.133.234.186
a=rtpmap:111 opus/48000/2
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=rtcp:9 IN IP4 0.0.0.0
a=candidate:2511993355 1 udp 2122255103 2001::9d38:6abd:3857:504:267a:1545 61746 typ host generation 0 network-id 1 network-cost 50
a=candidate:1073872769 1 udp 2122194687 192.168.16.33 61747 typ host generation 0 network-id 2
a=candidate:3678013179 1 tcp 1518275327 2001::9d38:6abd:3857:504:267a:1545 9 typ host tcptype active generation 0 network-id 1 network-cost 50
a=candidate:243401585 1 tcp 1518214911 192.168.16.33 9 typ host tcptype active generation 0 network-id 2
a=candidate:3242850613 1 udp 1685987071 217.133.234.186 28133 typ srflx raddr 192.168.16.33 rport 61747 generation 0 network-id 2
a=ice-ufrag:Frf5
a=ice-pwd:z81Ga49QkthkfHRN6Cmj2H8/
a=ice-options:trickle
a=fingerprint:sha-256 C5:B8:D5:76:EC:36:37:85:58:37:FC:1D:CF:17:08:EB:DB:31:D5:25:7C:28:E6:48:BE:91:C6:03:23:32:2C:9D
a=setup:actpass
a=mid:audio
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=rtcp-mux
a=rtcp-fb:111 transport-cc
a=ssrc:1850874320 cname:ju62xGpVGIMb5vMg
a=ssrc:1850874320 msid:dLkG83iuOKAh96i67IUscVSZuEx9AgMgazPt 0c98f04d-273b-45e8-87fa-bf7e89f64a07
a=ssrc:1850874320 mslabel:dLkG83iuOKAh96i67IUscVSZuEx9AgMgazPt
a=ssrc:1850874320 label:0c98f04d-273b-45e8-87fa-bf7e89f64a07