e are using Firefox 56 and 57 and in both the version , we are getting the below error - =================================================== ICE failed, your TURN server appears to be broken, see about:webrtc for more details (unknown) The stream was unable to connect due to a network error. Make sure your connection isn't blocked by a firewall. opentok.min.js:56:16680 Cam1 started streaming. main.b23768a61d21b5685716.bundle.js:1:330348 OT.Publisher.onPublishingTimeout opentok.min.js:57:27767 OT.exception :: title: Unable to Publish (1500) msg: ICEWorkflow opentok.min.js:56:3720 1500 Session.publish :: Could not publish in a reasonable amount of time ==================================================== We were not getting any error till yesterday, all of sudden our application is getting hit , and streaming is not happening . we really need help to fix the issue. I have checked on google but could not get the fix till now , please provide help on this, and also if you know the google extension to be used for the screen sharing / desktop sharing , as currently streaming is happening on google chrome but not of Mozilla firefox.