ice.json

{
  "google": [
    {
      "urls": [
        "stun:stun.l.google.com:19302"
      ]
    }
  ],
  "[EXAMPLE]": [
    {
      "urls": [
        "stun:[URL-FOR-STUN-SERVER]"
      ]
    },
    {
      "username": "[USERNAME]",
      "credential": "[CREDENTIAL]",
      "urls": [
        "[URL-FOR-TURN-SERVER-1]",
        "[URL-FOR-TURN-SERVER-2]",
        "* You can get free trial for turn servers from https://xirsys.com/"
      ]
    }
  ],
  "xirsys": [
    {
      "urls": [
        "stun:ss-turn3.xirsys.com"
      ]
    },
    {
      "username": "KG97B1VEJwK9TwHSt4rJ6TMzBt83EXvowMvhVuWQz6aObXqH0SocIIy9BZm2NJCTAAAAAGCrIqh5aXd1",
      "credential": "4336cdb2-bc43-11eb-b016-0242ac120004",
      "urls": [
        "turn:ss-turn3.xirsys.com:80?transport=udp",
        "turn:ss-turn3.xirsys.com:3478?transport=udp",
        "turn:ss-turn3.xirsys.com:80?transport=tcp",
        "turn:ss-turn3.xirsys.com:3478?transport=tcp",
        "turns:ss-turn3.xirsys.com:443?transport=tcp",
        "turns:ss-turn3.xirsys.com:5349?transport=tcp"
      ]
    }
  ]
}