system configuration included Android phone /OS version.
Android Version: 8.0.0
Server side Logs of Android:
A new client has connected. Online user number: 1
Received ics-message: {"to":"123","data":"{\"type\":\"chat-closed\"}"}
Received ics-message: {"to":"123","data":"{\"type\":\"chat-ua\",\"data\":{\"runtime\":{\"name\":\"webrtc\",\"version\":\"63\"},\"sdk\":{\"type\":\"Android\",\"version\":4},\"os\":{\"name\":\"Android\",\"version\":\"8.0.0\"}}}"}
Received ics-message: {"to":"123","data":"{\"type\":\"chat-track-sources\",\"data\":[{\"id\":\"f80d6fb0-77b8-46ff-b0a3-afd7bd4b5365a0\",\"source\":\"mic\"},{\"id\":\"f80d6fb0-77b8-46ff-b0a3-afd7bd4b5365v0\",\"source\":\"camera\"}]}"}
Received ics-message: {"to":"123","data":"{\"type\":\"chat-stream-info\",\"data\":{\"id\":\"f80d6fb0-77b8-46ff-b0a3-afd7bd4b5365\",\"tracks\":[\"f80d6fb0-77b8-46ff-b0a3-afd7bd4b5365a0\",\"f80d6fb0-77b8-46ff-b0a3-afd7bd4b5365v0\"],\"source\":{\"audio\":\"mic\",\"video\":\"camera\"}}}"}
Server Side Logs of iOS:
Received ics-message: {"data":"{\"data\":{\"os\":{\"name\":\"iPhone OS\",\"version\":\"10.3.3\"},\"runtime\":{\"name\":\"WebRTC\",\"version\":\"63\"},\"sdk\":{\"type\":\"Objective-C\",\"version\":\"4.0\"}},\"type\":\"chat-ua\"}","to":"123"}
Received ics-message: {"data":"{\"data\":[{\"id\":\"db3455e4-16b7-4c6c-b5a0-08acf06a4184\",\"source\":\"mic\"},{\"id\":\"847bfae8-26b1-4aaf-907a-b6d4e52720a9\",\"source\":\"camera\"}],\"type\":\"chat-track-sources\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"id\":\"fc5d843b-bd30-4e27-ab7d-95e426a50732\",\"source\":{\"audio\":\"mic\",\"video\":\"camera\"},\"tracks\":[\"db3455e4-16b7-4c6c-b5a0-08acf06a4184\",\"847bfae8-26b1-4aaf-907a-b6d4e52720a9\"]},\"type\":\"chat-stream-info\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"sdp\":\"v=0\\r\\no=- 5712845551399036436 2 IN IP4 127.0.0.1\\r\\ns=-\\r\\nt=0 0\\r\\na=group:BUNDLE audio video data\\r\\na=msid-semantic: WMS\\r\\nm=audio 9 UDP/TLS/RTP/SAVPF 111\\r\\nc=IN IP4 0.0.0.0\\r\\na=rtcp:9 IN IP4 0.0.0.0\\r\\na=ice-ufrag:L4TG\\r\\na=ice-pwd:BTEqozaEJqx4DdARNQ3let9Q\\r\\na=ice-options:trickle\\r\\na=fingerprint:sha-256 69:42:59:12:14:30:7A:BB:A9:92:73:B8:20:FD:AA:CB:96:42:0F:D1:2D:B7:3D:A1:36:44:7D:47:36:82:AA:AA\\r\\na=setup:actpass\\r\\na=mid:audio\\r\\na=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\\r\\na=recvonly\\r\\na=rtcp-mux\\r\\na=rtpmap:111 opus/48000/2\\r\\na=rtcp-fb:111 transport-cc\\r\\na=fmtp:111 minptime=10;useinbandfec=1\\r\\nm=video 9 UDP/TLS/RTP/SAVPF 124 125 100 101 127 123 122\\r\\nc=IN IP4 0.0.0.0\\r\\na=rtcp:9 IN IP4 0.0.0.0\\r\\na=ice-ufrag:L4TG\\r\\na=ice-pwd:BTEqozaEJqx4DdARNQ3let9Q\\r\\na=ice-options:trickle\\r\\na=fingerprint:sha-256 69:42:59:12:14:30:7A:BB:A9:92:73:B8:20:FD:AA:CB:96:42:0F:D1:2D:B7:3D:A1:36:44:7D:47:36:82:AA:AA\\r\\na=setup:actpass\\r\\na=mid:video\\r\\na=extmap:2 urn:ietf:params:rtp-hdrext:toffset\\r\\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\\r\\na=extmap:4urn:3gpp:video-orientation\\r\\na=extmap:5 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01\\r\\na=extmap:6 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay\\r\\na=extmap:7 http://www.webrtc.org/experiments/rtp-hdrext/video-content-type\\r\\na=extmap:8http://www.webrtc.org/experiments/rtp-hdrext/video-timing\\r\\na=recvonly\\r\\na=rtcp-mux\\r\\na=rtcp-rsize\\r\\na=rtpmap:124H264/90000\\r\\na=rtcp-fb:124 ccm fir\\r\\na=rtcp-fb:124 nack\\r\\na=rtcp-fb:124 nack pli\\r\\na=rtcp-fb:124 goog-remb\\r\\na=rtcp-fb:124 transport-cc\\r\\na=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\\r\\na=rtpmap:125 H264/90000\\r\\na=rtcp-fb:125 ccm fir\\r\\na=rtcp-fb:125 nack\\r\\na=rtcp-fb:125 nack pli\\r\\na=rtcp-fb:125 goog-remb\\r\\na=rtcp-fb:125 transport-cc\\r\\na=fmtp:125 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f\\r\\na=rtpmap:100 red/90000\\r\\na=rtpmap:101 rtx/90000\\r\\na=fmtp:101 apt=100\\r\\na=rtpmap:127 ulpfec/90000\\r\\na=rtpmap:123 rtx/90000\\r\\na=fmtp:123 apt=125\\r\\na=rtpmap:122 rtx/90000\\r\\na=fmtp:122 apt=124\\r\\nm=application 9 DTLS/SCTP 5000\\r\\nc=IN IP4 0.0.0.0\\r\\na=ice-ufrag:L4TG\\r\\na=ice-pwd:BTEqozaEJqx4DdARNQ3let9Q\\r\\na=ice-options:trickle\\r\\na=fingerprint:sha-256 69:42:59:12:14:30:7A:BB:A9:92:73:B8:20:FD:AA:CB:96:42:0F:D1:2D:B7:3D:A1:36:44:7D:47:36:82:AA:AA\\r\\na=setup:actpass\\r\\na=mid:data\\r\\na=sctpmap:5000 webrtc-datachannel 1024\\r\\n\",\"type\":\"offer\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:851307166 1 udp 2122260223 192.168.2.4 52366 typ host generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":0,\"sdpMid\":\"audio\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:851307166 1 udp 2122260223 192.168.2.4 49386 typ host generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":1,\"sdpMid\":\"video\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:851307166 1 udp 2122260223 192.168.2.4 64538 typ host generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":2,\"sdpMid\":\"data\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:2084443758 1 tcp 1518280447 192.168.2.4 65236 typ host tcptype passive generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":0,\"sdpMid\":\"audio\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:2084443758 1 tcp 1518280447 192.168.2.4 65237 typ host tcptype passive generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":1,\"sdpMid\":\"video\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}
Received ics-message: {"data":"{\"data\":{\"candidate\":\"candidate:2084443758 1 tcp 1518280447 192.168.2.4 65238 typ host tcptype passive generation 0 ufrag L4TG network-id 1 network-cost 10\",\"sdpMLineIndex\":2,\"sdpMid\":\"data\",\"type\":\"candidates\"},\"type\":\"chat-signal\"}","to":"123"}