我已经在aws实例上安装了Kurento，并且在同一实例上是我的tomcat。
我已经按照链接中提到的步骤在同一个实例上安装了coturn服务器：
https://doc-kurento.readthedocs.io/en/stable/user/faq.html
我还将Google stun服务器添加到了/etc/kurento/modules/kurento/WebRtcEndpoint.conf.ini： 173.194.66.127:19302
仍然没有运气
我在浏览器控制台上收到以下响应。
Received message: {"id":"startResponse","sdpAnswer":"v=0\r\no=- 3754230346 3754230346 IN IP4 0.0.0.0\r\ns=Kurento Media Server\r\nc=IN IP4 0.0.0.0\r\nt=0 0\r\na=msid-semantic: WMS\r\na=group:BUNDLE audio video\r\nm=audio 1 UDP/TLS/RTP/SAVPF 111 0\r\na=mid:audio\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=rtpmap:111 opus/48000/2\r\na=rtpmap:0 PCMU/8000\r\na=setup:active\r\na=sendonly\r\na=rtcp-mux\r\na=fmtp:111 minptime=10;useinbandfec=1\r\na=ssrc:2788092650 cname:user3844219959@host-e723b193\r\na=ice-ufrag:VZu0\r\na=ice-pwd:bdqYrysaf2i56clImeW76k\r\na=fingerprint:sha-256 6E:F9:05:CC:A7:6D:DC:0D:09:4E:90:16:EE:CA:9C:23:89:E1:3F:03:CB:D5:E0:84:C5:E0:8E:78:6C:35:0E:65\r\nm=video 1 UDP/TLS/RTP/SAVPF 96 100 102 127 125 108 124\r\na=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\na=mid:video\r\na=rtcp:9 IN IP4 0.0.0.0\r\na=rtpmap:96 VP8/90000\r\na=rtpmap:100 H264/90000\r\na=rtpmap:102 H264/90000\r\na=rtpmap:127 H264/90000\r\na=rtpmap:125 H264/90000\r\na=rtpmap:108 H264/90000\r\na=rtpmap:124 H264/90000\r\na=rtcp-fb:96 goog-remb\r\na=rtcp-fb:96 ccm fir\r\na=rtcp-fb:96 nack\r\na=rtcp-fb:96 nack pli\r\na=rtcp-fb:100 goog-remb\r\na=rtcp-fb:100 ccm fir\r\na=rtcp-fb:100 nack\r\na=rtcp-fb:100 nack pli\r\na=rtcp-fb:102 goog-remb\r\na=rtcp-fb:102 ccm fir\r\na=rtcp-fb:102 nack\r\na=rtcp-fb:102 nack pli\r\na=rtcp-fb:127 goog-remb\r\na=rtcp-fb:127 ccm fir\r\na=rtcp-fb:127 nack\r\na=rtcp-fb:127 nack pli\r\na=rtcp-fb:125 goog-remb\r\na=rtcp-fb:125 ccm fir\r\na=rtcp-fb:125 nack\r\na=rtcp-fb:125 nack pli\r\na=rtcp-fb:108 goog-remb\r\na=rtcp-fb:108 ccm fir\r\na=rtcp-fb:108 nack\r\na=rtcp-fb:108 nack pli\r\na=rtcp-fb:124 goog-remb\r\na=rtcp-fb:124 ccm fir\r\na=rtcp-fb:124 nack\r\na=rtcp-fb:124 nack pli\r\na=setup:active\r\na=sendonly\r\na=rtcp-mux\r\na=fmtp:100 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f\r\na=fmtp:102 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f\r\na=fmtp:127 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f\r\na=fmtp:125 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42e01f\r\na=fmtp:108 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=4d0032\r\na=fmtp:124 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640032\r\na=ssrc:4106942140 cname:user3844219959@host-e723b193\r\na=ice-ufrag:VZu0\r\na=ice-pwd:bdqYrysaf2i56clImeW76k\r\na=fingerprint:sha-256 6E:F9:05:CC:A7:6D:DC:0D:09:4E:90:16:EE:CA:9C:23:89:E1:3F:03:CB:D5:E0:84:C5:E0:8E:78:6C:35:0E:65\r\n"}