Here's full two-pass log.
1) First Firefox entered a conference with a single peer. Firefox is offer,
conference server is answer. Audio and video are OK at both sides
ICE Stats
Local Candidate Remote Candidate
ICE State Priority Nominated
Selected
12.168.125.51:54314/udp(host) 192.168.125.29:8000/udp(host) succeeded
9115005270299247000 true true
19.168.125.51:54316/udp(host) 192.168.125.29:9000/udp(host) succeeded
9115005270299247000 true true
SDP
Local SDP (offer)
v=0
o=mozilla...THIS_IS_SDPARTA-47.0a1 8669223757285625442 0 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
8A:5C:60:79:E5:70:4F:47:41:D9:FB:1E:38:1F:FF:CD:A9:36:60:A9:77:6A:99:EC:06:48:9B:23:B2:EB:85:E1
a=group:BUNDLE sdparta_0 sdparta_1
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 54314 UDP/TLS/RTP/SAVPF 109 9 0 8
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 54314 typ host
a=candidate:0 2 UDP 2122252542 192.168.125.51 54315 typ host
a=sendrecv
a=end-of-candidates
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_0
a=msid:{dc71a8c4-b3fd-4436-8253-06bc0c054ad4}-abag-0
{8726d60c-1dab-4060-8663-32e2629474af}
a=rtcp:54315 IN IP4 192.168.125.51
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=setup:actpass
a=ssrc:2857730257 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
m=video 54316 UDP/TLS/RTP/SAVPF 120 126 97
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 54316 typ host
a=candidate:0 2 UDP 2122252542 192.168.125.51 54317 typ host
a=sendrecv
a=end-of-candidates
a=fmtp:126
profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1
a=fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1
a=fmtp:120 max-fs=12288;max-fr=60
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_1
a=msid:{dc71a8c4-b3fd-4436-8253-06bc0c054ad4}-abag-1
{b8e5eb73-01cd-45d9-acae-afb95a1904b0}
a=rtcp:54317 IN IP4 192.168.125.51
a=rtcp-fb:120 nack
a=rtcp-fb:120 nack pli
a=rtcp-fb:120 ccm fir
a=rtcp-fb:126 nack
a=rtcp-fb:126 nack pli
a=rtcp-fb:126 ccm fir
a=rtcp-fb:97 nack
a=rtcp-fb:97 nack pli
a=rtcp-fb:97 ccm fir
a=rtcp-mux
a=rtpmap:120 VP8/90000
a=rtpmap:126 H264/90000
a=rtpmap:97 H264/90000
a=setup:actpass
a=ssrc:3714578942 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
-----------------------------------------------------------------------------------------------------------------------
Remote SDP (answer)
v=0
o=- 31453895536191 2 IN IP4 192.67.4.14
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
43:5E:9C:49:12:05:15:21:61:20:E1:3A:B8:97:23:AC:99:7B:C8:D2:A5:EE:01:5A:31:07:10:1A:AD:81:2B:AF
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 1 RTP/SAVPF 117 116 9 8 0
c=IN IP4 192.168.125.117
b=AS:50
a=candidate:189622663 1 UDP 2130706430 192.168.125.29 8000 typ host generation 0
a=candidate:189622663 2 UDP 2130706430 192.168.125.29 8000 typ host generation 0
a=candidate:1316968211 1 UDP 2130706430 91.224.14.66 63123 typ srflx generation 0
a=candidate:1316968211 2 UDP 2130706430 91.224.14.66 63123 typ srflx generation 0
a=sendrecv
a=fmtp:117
bitrate=56000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=fmtp:116
bitrate=48000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_0
a=msid:MSID-admin(u.vm)@deb7-abagyan..com-3149872331 MSTID-AUDIO-3149872331
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:117 G722/16000/1
a=rtpmap:116 G722/16000/1
a=rtpmap:9 G722/8000/1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=setup:active
a=ssrc:3149872331 cname:OjRM/hFSPEL0iyBV
m=video 1 RTP/SAVPF 100
c=IN IP4 192.168.125.117
b=AS:500
a=candidate:189622663 1 UDP 2130706430 192.168.125.29 9000 typ host generation 0
a=candidate:189622663 2 UDP 2130706430 192.168.125.29 9000 typ host generation 0
a=candidate:1316968211 1 UDP 2130706430 91.224.14.66 40243 typ srflx generation 0
a=candidate:1316968211 2 UDP 2130706430 91.224.14.66 40243 typ srflx generation 0
a=sendrecv
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_1
a=msid:MSID-admin(u.vm)@deb7-abagyan..com-1942983716 MSTID-VIDEO-1942983716
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:active
a=ssrc:1942983716 cname:OjRM/hFSPEL0iyBV
RTP Stats
=========
outbound_rtcp_audio_0
Local: 14:52:18 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC: 2857730257
outbound_rtcp_video_1
Local: 14:52:20 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
3714578942 Received: 152 packets (128.99 Kb) Lost: 0 Jitter: 0.661 RTT: 1 ms
inbound_rtp_video_1
Decoder: Avg. bitrate: 0.39 Mbps (0.16 SD) Avg. framerate: 13.00 fps (9.76 SD)
Local: 14:52:21 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
1942983716 Received: 251 packets (246.30 Kb) Lost: 0 Jitter: 0.573
Remote: 14:52:16 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
1942983716 Sent: 51 packets (50.15 Kb)
inbound_rtp_audio_0
Jitter-buffer delay: 58 ms
Local: 14:52:21 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
3149872331 Received: 44 packets (7.39 Kb) Lost: 0 Jitter: 0
outbound_rtp_audio_0
Local: 14:52:21 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
2857730257 Sent: 206 packets (36.61 Kb)
Remote: 14:52:18 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
2857730257
outbound_rtp_video_1
Encoder: Avg. bitrate: 0.44 Mbps (0.21 SD) Avg. framerate: 25.75 fps (3.77 SD)
Dropped frames: 36
Local: 14:52:21 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
3714578942 Sent: 197 packets (169.19 Kb)
Remote: 14:52:20 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
3714578942 Received: 152 packets (128.99 Kb) Lost: 0 Jitter: 0.661 RTT: 1 ms
inbound_rtcp_video_1
Local: 14:52:16 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
1942983716 Sent: 51 packets (50.15 Kb)
*******************************************************************************************************************
2) Third participant entered the conference. Firefox is answer, conference
server is offer.
Other peers than firefox see correctly video for both other peers, Firefox
looks as it has only one another participant,
but the video is a frame mix from two other participants.
ICE Stats
Local Candidate Remote Candidate
ICE State Priority Nominated
Selected
192.168.125.51:54314/udp(host) 192.168.125.29:8000/udp(host) succeeded
9115005270299247000 true true
192.168.125.51:54316/udp(host) 192.168.125.29:9000/udp(host) succeeded
9115005270299247000 true true
SDP
Local SDP (answer)
v=0
o=mozilla...THIS_IS_SDPARTA-47.0a1 8669223757285625442 1 IN IP4 0.0.0.0
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
8A:5C:60:79:E5:70:4F:47:41:D9:FB:1E:38:1F:FF:CD:A9:36:60:A9:77:6A:99:EC:06:48:9B:23:B2:EB:85:E1
a=group:BUNDLE sdparta_0 sdparta_1
a=group:BUNDLE sdparta_2 sdparta_3
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 54314 RTP/SAVPF 9
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 54314 typ host
a=sendrecv
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_0
a=msid:{dc71a8c4-b3fd-4436-8253-06bc0c054ad4}-abag-0
{8726d60c-1dab-4060-8663-32e2629474af}
a=rtcp-mux
a=rtpmap:9 G722/8000/1
a=setup:active
a=ssrc:2857730257 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
m=audio 54316 RTP/SAVPF 9
c=IN IP4 192.168.125.51
a=candidate:0 1 UDP 2122252543 192.168.125.51 54316 typ host
a=recvonly
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_1
a=rtcp-mux
a=rtpmap:9 G722/8000/1
a=setup:active
a=ssrc:1213824189 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
m=video 9 RTP/SAVPF 100
c=IN IP4 0.0.0.0
a=sendrecv
a=fmtp:100 max-fs=12288;max-fr=60
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_2
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-fb:100 ccm fir
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:active
a=ssrc:1453385697 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
m=video 9 RTP/SAVPF 100
c=IN IP4 0.0.0.0
a=recvonly
a=fmtp:100 max-fs=12288;max-fr=60
a=ice-pwd:ca7c25603c52c9ffb08ae4435927cb55
a=ice-ufrag:74e94f0d
a=mid:sdparta_3
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-fb:100 ccm fir
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:active
a=ssrc:306546035 cname:{52832208-bac7-4b03-b1b9-fed7b261dd7b}
-----------------------------------------------------------------------------------------------------------------------
Remote SDP (offer)
v=0
o=- 31453895594342 2 IN IP4 192.67.4.14
s=-
t=0 0
a=sendrecv
a=fingerprint:sha-256
43:5E:9C:49:12:05:15:21:61:20:E1:3A:B8:97:23:AC:99:7B:C8:D2:A5:EE:01:5A:31:07:10:1A:AD:81:2B:AF
a=group:BUNDLE sdparta_0 sdparta_1
a=group:BUNDLE sdparta_2 sdparta_3
a=ice-options:trickle
a=msid-semantic:WMS *
m=audio 1 RTP/SAVPF 117 116 9 8 0
c=IN IP4 192.168.125.117
b=AS:50
a=sendrecv
a=fmtp:117
bitrate=56000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=fmtp:116
bitrate=48000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_0
a=msid:MSID-admin(u.vm)@deb7-abagyan..com-3149872331 MSTID-AUDIO-3149872331
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:117 G722/16000/1
a=rtpmap:116 G722/16000/1
a=rtpmap:9 G722/8000/1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=setup:actpass
a=ssrc:3149872331 cname:OjRM/hFSPEL0iyBV
m=audio 1 RTP/SAVPF 117 116 9 8 0
c=IN IP4 192.168.125.117
b=AS:50
a=sendrecv
a=fmtp:117
bitrate=56000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=fmtp:116
bitrate=48000;PROFILE=0;LEVEL=0;packetization-mode=0;level-asymmetry-allowed=0;parameter-add=1;usedtx=0;stereo=0;useinbandfec=0;cbr=0
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_1
a=msid:MSID-abagyan(u.vm)@deb7-abagyan..com-3280751080 MSTID-AUDIO-3280751080
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-mux
a=rtpmap:117 G722/16000/1
a=rtpmap:116 G722/16000/1
a=rtpmap:9 G722/8000/1
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=setup:actpass
a=ssrc:3280751080 cname:h5Ebk5Vj9noBiumF
m=video 1 RTP/SAVPF 100
c=IN IP4 192.168.125.117
b=AS:500
a=sendrecv
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_2
a=msid:MSID-admin(u.vm)@deb7-abagyan..com-1942983716 MSTID-VIDEO-1942983716
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:actpass
a=ssrc:1942983716 cname:OjRM/hFSPEL0iyBV
m=video 1 RTP/SAVPF 100
c=IN IP4 192.168.125.117
b=AS:500
a=sendrecv
a=ice-pwd:8c2c150bb95a9186f2bba8f2e257e497
a=ice-ufrag:a60afa44
a=mid:sdparta_3
a=msid:MSID-abagyan(u.vm)@deb7-abagyan..com-2641001195 MSTID-VIDEO-2641001195
a=rtcp:1 IN IP4 0.0.0.0
a=rtcp-fb:100 ccm fir
a=rtcp-fb:100 nack
a=rtcp-fb:100 nack pli
a=rtcp-mux
a=rtpmap:100 VP8/90000
a=setup:actpass
a=ssrc:2641001195 cname:h5Ebk5Vj9noBiumF
RTP Stats
---------
outbound_rtcp_audio_0
Local: 14:53:15 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC: 2857730257
inbound_rtp_video_1
Decoder: Avg. bitrate: 0.53 Mbps (0.15 SD) Avg. framerate: 18.25 fps (4.78 SD)
Local: 14:53:16 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
2641001195 Received: 4073 packets (4008.91 Kb) Lost: undefined Jitter: undefined
inbound_rtp_audio_0
Jitter-buffer delay: 134 ms
Local: 14:53:16 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
3280751080 Received: 977 packets (164.11 Kb) Lost: 0 Jitter: 0
outbound_rtp_audio_0
Local: 14:53:16 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
2857730257 Sent: 2953 packets (524.85 Kb)
Remote: 14:53:15 GMT+0300 (Russia TZ 2 Standard Time) inboundrtp SSRC:
2857730257
outbound_rtp_video_1
Encoder: Avg. bitrate: 0.69 Mbps (0.44 SD) Avg. framerate: 25.97 fps (6.16 SD)
Dropped frames: 9068
Local: 14:53:16 GMT+0300 (Russia TZ 2 Standard Time) outboundrtp SSRC:
3714578942 Sent: 5198 packets (4981.60 Kb)
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