Big Blue Button

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Configuring TURN


ICE error 1107, video not working

After initial installation, room members couldn't activate video, all getting Connection failed: ICE error 1107, which is a known issue in Github. This is most likely that UDP is not getting through to the server. You can test UDP as follows:

On the target machine being tested:

nc -ulp PORT

And on the machine sending the tests:


Then type text and hit enter, it should be echoed on the server.

If it's not, check the firewall status and disable:

ufw status
ufw disable

If you still are having issues, setup a TURN server which should significantly improve reliability.


See also