The problem in this case is that, when we call from the outer station (VTO), the monitor receives the call but the screen is black, not showing any video.
This is solved by disabling the following option in the video intercom configuration menu:
The problem in this case is that, when we call from the outer station (VTO), the monitor receives the call but the screen is black, not showing any video.
This is solved by disabling the following option in the video intercom configuration menu: