Symptoms

The intercom is online and connected; calls can be made, but there is no video signal.

Cause

Bug in Asterisk Connector v5.4.2

The disruption of the video signal is usally caused by a conflict in handling video and call recording. The intercom connector / asterisk connector needs to be updated / downgraded. 

Network Issue

Configuration Issue

How To

Update Asterisk connector to v5.2.3 or higher.