javascript - webrtc ice_server never registeres as ice candidate -

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i building webrtc client using turn , stun server. working if turning of firewall. when breakpoint on ice candidate function see ice servers not added ice candidate.

this code:

var rtc_configuration =     {         iceservers: [             {urls: "stun:numb.viagenie.ca"},             {urls: "turn:numb.viagenie.ca", username: "username", credential: "credential", credentialtype: "password"}         ],         bundlepolicy: "balanced",         icetransportpolicy: "all",         rtcpmuxpolicy: "negotiate",         icecandidatepoolsize: 20,         certificates: []     };     var peer_connection = new rtc_peer_connection(rtc_configuration);     peer_connection.onicecandidate = pc_on_ice_candidate;

but when breakpoint on onicecandidate funtion, default candidates added, , not ice servers in configuration. using last version of firefox.

does have suggestion?

i think issue because turn server transport type udp, , firewall, udp ports blocked, hence no ice candidates, try adding turn credentials tcp transport mode...


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