No ticket that I know of. It's mentioned in https://blog.mozilla.org/webrtc/ice-disconnected-not/ https://blog.mozilla.org/webrtc/ice-disconnected-not/ > So ev

No ticket that I know of. It's mentioned in https://blog.mozilla.org/webrtc/ice-disconnected-not/ https://blog.mozilla.org/webrtc/ice-disconnected-not/ > So every 5 seconds Firefox (version >= 49) sends another binding request no matter if the ICE transport is in use or not, and it expects the other side to reply with a binding response. If it hasn’t received a binding response for 6 consecutive binding requests, in other words no reply within the last 30 seconds, it will give up and mark the transport as failed. This results in switching the ICE connection state to ‘failed‘ and stop sending any packets over that transport.