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i tried to streaming endpoint (start a stream section) and i got one problem.

when i post a sdp, return internal server error.

please help me.

i tried to android os, tablet and android native code.

json

{"answer":{"sdp":"v=0\r\no=- 318457666798100072 2 IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\na=group:BUNDLE a v d\r\na=msid-semantic: WMS ARDAMS\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:+BVe\r\na=ice-pwd:DZ7H5DH7t9R3ADG2aO4N9Zxc\r\na=ice-options:trickle renomination\r\na=fingerprint:sha-256 F3:3C:76:7B:7A:99:C1:E0:B0:B4:2F:57:8B:42:B5:71:9D:09:0E:82:C1:87:08:51:EA:9B:13:5E:CF:91:F8:30\r\na=setup:active\r\na=mid:a\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\na=ssrc:3215038273 cname:ZcQTrVWITUIYMI4r\r\na=ssrc:3215038273 msid:ARDAMS ARDAMSa0\r\na=ssrc:3215038273 mslabel:ARDAMS\r\na=ssrc:3215038273 label:ARDAMSa0\r\nm=video 9 UDP/TLS/RTP/SAVPF 100 101\r\nc=IN IP4 0.0.0.0\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=ice-ufrag:+BVe\r\na=ice-pwd:DZ7H5DH7t9R3ADG2aO4N9Zxc\r\na=ice-options:trickle renomination\r\na=fingerprint:sha-256 F3:3C:76:7B:7A:99:C1:E0:B0:B4:2F:57:8B:42:B5:71:9D:09:0E:82:C1:87:08:51:EA:9B:13:5E:CF:91:F8:30\r\na=setup:active\r\na=mid:v\r\na=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=recvonly\r\na=rtcp-mux\r\na=rtpmap:100 VP8/90000\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=rtcp-fb:100 goog-remb\r\na=rtcp-fb:100 transport-cc\r\na=rtpmap:101 rtx/90000\r\na=fmtp:101 apt=100\r\na=ssrc-group:FID 1378087165 124489030\r\na=ssrc:1378087165 cname:ZcQTrVWITUIYMI4r\r\na=ssrc:1378087165 msid:ARDAMS ARDAMSv0\r\na=ssrc:1378087165 mslabel:ARDAMS\r\na=ssrc:1378087165 label:ARDAMSv0\r\na=ssrc:124489030 cname:ZcQTrVWITUIYMI4r\r\na=ssrc:124489030 msid:ARDAMS ARDAMSv0\r\na=ssrc:124489030 mslabel:ARDAMS\r\na=ssrc:124489030 label:ARDAMSv0\r\nm=application 9 UDP/DTLS/SCTP webrtc-datachannel\r\nc=IN IP4 0.0.0.0\r\nb=AS:30\r\na=ice-ufrag:+BVe\r\na=ice-pwd:DZ7H5DH7t9R3ADG2aO4N9Zxc\r\na=ice-options:trickle renomination\r\na=fingerprint:sha-256 F3:3C:76:7B:7A:99:C1:E0:B0:B4:2F:57:8B:42:B5:71:9D:09:0E:82:C1:87:08:51:EA:9B:13:5E:CF:91:F8:30\r\na=setup:active\r\na=mid:d\r\na=sctp-port:5000\r\n","type":"answer"}}