Webrtc Kuranto：当用户在不同网络上时，没有远程视频和音频

我有一个应用程序使用Kurento进行一对一呼叫，但当用户在不同的网络上时，它不起作用。我已经安装并配置了TURN服务器（coturn）

WebRtcEndpoint.conf.ini

turnserver.conf

kurento.conf.json

kms版本-6.13.0

turnURL=usr:pass@publicip:3478

fingerprint
lt-cred-mech
user=usr:pass
realm=kurento.org

{
  "mediaServer": {
    "resources": {
        //"//": "Resources usage limit for raising an exception when an object creation is attempted",
        //"//exceptionLimit": "0.8",
        //"//": "Resources usage limit for killing the server when no objects are alive",
        //"//killLimit": "0.7",
        //"//": "Garbage collector period in seconds",
        "garbageCollectorPeriod": 240
        //"//": "Whether to disable the RPC request cache, for memory constrained environments",
        //"disableRequestCache": false
    },
    "net": {
      "websocket": {
        //"//ipv6": false,
        "port": 8888,
        //"//secure": {
        //    "//port": 8433,
        //    "//certificate": "defaultCertificate.pem",
        //    "//password": ""
        //},
        //"//registrar": {
        //    "//address": "ws://localhost:9090",
        //    "//localAddress": "localhost"
        //},
        //"//": "Maximum queue length of pending connections (see sysctl tcp_max_syn_backlog)",
        //"//": "Default SOMAXCONN (128)",
        //"//connqueue": 128,
        "path": "kurento",
        "threads": 10
      }
    }
  }
}