voice_servers_no_passwd:
- 'stun:stun.l.google.com:19302'
- 'stun:stun1.l.google.com:19302'
- 'stun:stun2.l.google.com:19302'
- 'stun:stun3.l.google.com:19302'
- 'stun:stun4.l.google.com:19302'
- 'stun:openrelay.metered.ca:80'
voice_servers_passwd:
  openrelay1:
    url: 'turn:openrelay.metered.ca:80'
    username: 'openrelayproject'
    password: 'openrelayproject'
  openrelay2:
    url: 'turn:openrelay.metered.ca:443'
    username: 'openrelayproject'
    password: 'openrelayproject'
  openrelay3:
    url: 'turn:openrelay.metered.ca:443?transport=tcp'
    username: 'openrelayproject'
    password: 'openrelayproject'