WebRTC Internals

Session Statistics

[ 2147483941 ] https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=1401313093&is_caller=t (closed) 15:59:15 GMT-0700 (PDT)

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PeerConnection ID: 1520895525977140 (id=2147483941 url=https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=1401313093&is_caller=t

ICE Stats

Trickled candidates (arriving after answer) are highlighted in blue
Local Candidate	Remote Candidate	ICE State	Priority	Nominated	Selected
172.27.68.166:49332/udp(host)	157.240.22.48:53794/udp(relayed)	failed	144149272885592580	false	false
157.240.22.48:55154/udp(relayed-udp)	157.240.22.48:53794/udp(relayed)	succeeded	144149268825521660	true	true
157.240.22.48:50108/udp(relayed-tcp)	157.240.22.48:53794/udp(relayed)	succeeded	35219552233078270	true	false
157.240.22.48:56637/udp(relayed-tcp)	157.240.22.48:53794/udp(relayed)	succeeded	35219552233078270	true	false

ICE restarts: 0

ICE rollbacks: 0

All Raw Candidates

▼ show raw candidates

Raw Local Candidate	Raw Remote Candidate
host(IP4:172.27.68.166:49332/UDP)	candidate:3452778097 1 udp 33562367 157.240.22.48 53794 typ relay raddr 157.240.22.48 rport 53794 generation 0 network-id 543 network-cost 10
host(IP4:172.27.68.166:53245/TCP) active
host(IP6:[2620:10d:c083:1409:7585:c63d:ba68:1340]:54140/TCP) active
host(IP6:[2620:10d:c083:1409:7585:c63d:ba68:1340]:55883/UDP)
host(IP6:[2620:10d:c083:1409:864:2e28:67ad:4dd]:55882/UDP)
host(IP6:[2620:10d:c083:1409:864:2e28:67ad:4dd]:62298/TCP) active
turn-relay(IP4:172.27.68.166:0/TCP\|IP4:157.240.22.48:50108/UDP)
turn-relay(IP4:172.27.68.166:0/TCP\|IP4:157.240.22.48:56637/UDP)
turn-relay(IP4:172.27.68.166:49332/UDP\|IP4:157.240.22.48:55154/UDP)

SDP

Local SDP (Offer)

v=0
o=mozilla...THIS_IS_SDPARTA-59.0 4939624938688858647 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 02:56:F9:59:D2:42:00:67:3F:93:60:BA:10:D7:3E:D2:57:59:83:22:D2:B4:85:29:03:4E:B1:45:FE:79:6B:AA
a=group:BUNDLE audio
a=ice-options:trickle fb-force-5245
a=msid-semantic:WMS *
m=audio 55154 RTP/SAVPF 109 9 0 8 101
c=IN IP4 157.240.22.48
a=candidate:0 1 UDP 2122187007 2620:10d:c083:1409:864:2e28:67ad:4dd 55882 typ host
a=candidate:2 1 UDP 2122252543 2620:10d:c083:1409:7585:c63d:ba68:1340 55883 typ host
a=candidate:4 1 UDP 2122121471 172.27.68.166 49332 typ host
a=candidate:8 1 TCP 2105458943 2620:10d:c083:1409:864:2e28:67ad:4dd 9 typ host tcptype active
a=candidate:9 1 TCP 2105524479 2620:10d:c083:1409:7585:c63d:ba68:1340 9 typ host tcptype active
a=candidate:10 1 TCP 2105393407 172.27.68.166 9 typ host tcptype active
a=candidate:0 2 UDP 2122187006 2620:10d:c083:1409:864:2e28:67ad:4dd 49333 typ host
a=candidate:2 2 UDP 2122252542 2620:10d:c083:1409:7585:c63d:ba68:1340 49334 typ host
a=candidate:4 2 UDP 2122121470 172.27.68.166 54248 typ host
a=candidate:8 2 TCP 2105458942 2620:10d:c083:1409:864:2e28:67ad:4dd 9 typ host tcptype active
a=candidate:9 2 TCP 2105524478 2620:10d:c083:1409:7585:c63d:ba68:1340 9 typ host tcptype active
a=candidate:10 2 TCP 2105393406 172.27.68.166 9 typ host tcptype active
a=candidate:7 1 UDP 92086015 157.240.22.48 55154 typ relay raddr 157.240.22.48 rport 55154
a=candidate:7 2 UDP 92086014 157.240.22.48 49542 typ relay raddr 157.240.22.48 rport 49542
a=candidate:11 1 UDP 8200191 157.240.22.48 50108 typ relay raddr 157.240.22.48 rport 50108
a=candidate:12 1 UDP 8200191 157.240.22.48 56637 typ relay raddr 157.240.22.48 rport 56637
a=candidate:11 2 UDP 8200190 157.240.22.48 57253 typ relay raddr 157.240.22.48 rport 57253
a=candidate:12 2 UDP 8200190 157.240.22.48 56945 typ relay raddr 157.240.22.48 rport 56945
a=sendrecv
a=end-of-candidates
a=extmap:1 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:578fb12da6ae6fa66561761c08be36c4
a=ice-ufrag:bb82dd7d
a=mid:audio
a=msid:{f9d6c820-fcc7-c141-a219-590ea1e615f2} {b8252bb9-44e8-6e48-9b38-d754f2991ae5}
a=rtcp:49542 IN IP4 157.240.22.48
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
a=setup:actpass
a=ssrc:1887939726 cname:{ffe50fb3-c93f-b54b-9258-569e438cdc5b}

Remote SDP (Answer)

v=0
o=- 2587401266593707381 2 IN IP4 127.0.0.1
s=-
t=0 0
a=sendrecv
a=group:BUNDLE audio
a=msid-semantic:WMS stream_label
m=audio 1 RTP/SAVPF 109
c=IN IP4 0.0.0.0
a=candidate:3452778097 1 udp 33562367 157.240.22.48 53794 typ relay raddr 157.240.22.48 rport 53794 generation 0 network-id 543 network-cost 10
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=fingerprint:sha-256 37:59:BE:5C:BD:C8:69:6F:65:2B:8B:8F:6D:80:80:24:0D:17:F8:7D:F4:2F:85:01:82:19:FB:76:A7:54:A3:2D
a=ice-options:fb-force-5245 fb-force-5245
a=ice-pwd:vlFiK4msss6yQQ0K2iNF2W34
a=ice-ufrag:8fKeDWYxYydOSTdr
a=mid:audio
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=ssrc:912796248 cname:zHV+R
a=ssrc:912796248 msid:stream_label 4378460625691111602
a=ssrc:912796248 mslabel:stream_label
a=ssrc:912796248 label:4378460625691111602

RTP Stats

inbound_rtp_audio_1

Local: 15:59:15 GMT-0700 (PDT) inbound-rtp SSRC: 0