WebRTC Internals

Session Statistics

[ 2147483961 ] https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=3842066563&is_caller=t (closed) 16:10:07 GMT-0700 (PDT)

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PeerConnection ID: 1520896192954381 (id=2147483961 url=https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=3842066563&is_caller=t

ICE Stats

Trickled candidates (arriving after answer) are highlighted in blue
Local Candidate	Remote Candidate	ICE State	Priority	Nominated	Selected	Bytes sent	Bytes received
172.27.68.166:65498/udp(host)	172.27.79.7:64004/udp(host)	succeeded	9079290933588656000	true	true	50834	18380
157.240.22.48:54357/udp(relayed-udp)	172.27.79.7:64004/udp(host)	inprogress	395506427071839740	false	false	0	0
157.240.22.48:59891/udp(relayed-tcp)	172.27.79.7:64004/udp(host)	inprogress	35219556393827840	false	false	0	0
157.240.22.48:41693/udp(relayed-tcp)	172.27.79.7:64004/udp(host)	inprogress	35219556393827840	false	false	0	0

ICE restarts: 0

ICE rollbacks: 0

All Raw Candidates

▼ show raw candidates

Raw Local Candidate	Raw Remote Candidate
host(IP4:172.27.68.166:62484/TCP) active	candidate:3452778097 1 udp 33562367 157.240.22.48 45389 typ relay raddr 157.240.22.48 rport 45389 generation 0 network-id 637 network-cost 10
host(IP4:172.27.68.166:65498/UDP)	candidate:83359730 1 udp 2113937151 172.27.79.7 64004 typ host generation 0 network-id 637 network-cost 10
host(IP6:[2620:10d:c083:1409:7585:c63d:ba68:1340]:51664/TCP) active
host(IP6:[2620:10d:c083:1409:7585:c63d:ba68:1340]:54227/UDP)
host(IP6:[2620:10d:c083:1409:864:2e28:67ad:4dd]:54226/UDP)
host(IP6:[2620:10d:c083:1409:864:2e28:67ad:4dd]:60989/TCP) active
turn-relay(IP4:172.27.68.166:0/TCP\|IP4:157.240.22.48:41693/UDP)
turn-relay(IP4:172.27.68.166:0/TCP\|IP4:157.240.22.48:59891/UDP)
turn-relay(IP4:172.27.68.166:65498/UDP\|IP4:157.240.22.48:54357/UDP)

SDP

Local SDP (Offer)

v=0
o=mozilla...THIS_IS_SDPARTA-59.0 7114734193697011535 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256 FC:54:A5:76:33:DD:AF:F9:BD:DE:93:1F:5A:1D:CD:1B:43:0F:C6:0D:66:80:03:04:1E:7C:FA:A4:E7:9B:E1:47
a=group:BUNDLE audio
a=ice-options:trickle fb-force-5245
a=msid-semantic:WMS *
m=audio 54357 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 54226 typ host
a=candidate:2 1 UDP 2122252543 2620:10d:c083:1409:7585:c63d:ba68:1340 54227 typ host
a=candidate:4 1 UDP 2122121471 172.27.68.166 65498 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 65499 typ host
a=candidate:2 2 UDP 2122252542 2620:10d:c083:1409:7585:c63d:ba68:1340 65500 typ host
a=candidate:4 2 UDP 2122121470 172.27.68.166 51382 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 54357 typ relay raddr 157.240.22.48 rport 54357
a=candidate:7 2 UDP 92086014 157.240.22.48 58095 typ relay raddr 157.240.22.48 rport 58095
a=candidate:12 1 UDP 8200191 157.240.22.48 41693 typ relay raddr 157.240.22.48 rport 41693
a=candidate:11 1 UDP 8200191 157.240.22.48 59891 typ relay raddr 157.240.22.48 rport 59891
a=candidate:11 2 UDP 8200190 157.240.22.48 43186 typ relay raddr 157.240.22.48 rport 43186
a=candidate:12 2 UDP 8200190 157.240.22.48 58678 typ relay raddr 157.240.22.48 rport 58678
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:40e7ef7878e94b60f24de4d99fca9171
a=ice-ufrag:2c91e126
a=mid:audio
a=msid:{4d42843b-8114-a14b-898f-9f041cf22d5b} {a5071e99-300d-db46-96ca-41aa550d5ab6}
a=rtcp:58095 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:3733612038 cname:{f80e80b2-045e-304a-808e-c762e9be0661}

Remote SDP (Answer)

v=0
o=- 5891378330279503586 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:83359730 1 udp 2113937151 172.27.79.7 64004 typ host generation 0 network-id 637 network-cost 10
a=candidate:3452778097 1 udp 33562367 157.240.22.48 45389 typ relay raddr 157.240.22.48 rport 45389 generation 0 network-id 637 network-cost 10
a=sendrecv
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=fingerprint:sha-256 92:59:F6:21:1A:15:BB:07:2B:19:BF:74:CF:5D:7F:E5:E5:23:62:8E:4F:84:E1:C3:AC:50:CE:EC:07:88:A1:86
a=ice-options:fb-force-5245 fb-force-5245
a=ice-pwd:Lt5dxty0qzS5G4wXyQQ99lEb
a=ice-ufrag:Ko6Oj7ROg/GuXrps
a=mid:audio
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:109 opus/48000/2
a=ssrc:3190578237 cname:Ww3GC
a=ssrc:3190578237 msid:stream_label 3772735048880413638
a=ssrc:3190578237 mslabel:stream_label
a=ssrc:3190578237 label:3772735048880413638

RTP Stats

inbound_rtp_audio_1

Jitter-buffer delay: 336 ms

Local: 16:10:07 GMT-0700 (PDT) inbound-rtp SSRC: 3190578237 Received: 128 packets (15.90 Kb) Lost: 0 Jitter: 0.097

outbound_rtp_audio_0

Local: 16:10:07 GMT-0700 (PDT) outbound-rtp SSRC: 3733612038 Sent: 391 packets (48.55 Kb)

Connection Log

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ICE(PC:1520896192954381 (id=2147483961 url=https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=3842066563&is_caller=t): Skipping TURN server because of link local mis-match

/builds/worker/workspace/build/src/media/mtransport/third_party/nICEr/src/net/nr_socket_multi_tcp.c:173 function nr_socket_multi_tcp_create_stun_server_socket skipping UDP STUN server(addr:)

/builds/worker/workspace/build/src/media/mtransport/third_party/nICEr/src/net/nr_socket_multi_tcp.c:173 function nr_socket_multi_tcp_create_stun_server_socket skipping UDP STUN server(addr:IP4:157.240.22.48:40002/UDP)

/builds/worker/workspace/build/src/media/mtransport/third_party/nICEr/src/net/nr_socket_multi_tcp.c:179 function nr_socket_multi_tcp_create_stun_server_socket skipping STUN with different IP version (4) than local socket (6),

/builds/worker/workspace/build/src/media/mtransport/third_party/nICEr/src/net/nr_socket_multi_tcp.c:617 function nr_socket_multi_tcp_listen failed with error 3

ICE(PC:1520896192954381 (id=2147483961 url=https://www.facebook.com/videocall/incall/?peer_id=499831691&call_id=3842066563&is_caller=t): failed to create passive TCP host candidate: 3