Do not really see how the bandwidth limites the duration of a video call?
Maybe quota on the network traffic, ....
If you book a conference, or have some other time based service, then sure it is most likely a limited time there.
If it fails, it can be the the firewall causing a limit
Some systems (especially isdn) might have a duration limit as well.
Not to forget, at one point point people start to sleep as they get tired or all the oxygen in the room is used up ;-)
Or if you did not pay the power bill or your 65" system simply drains to much of your battery powered meeting room, or it could be limited or if your video room on the glacier melts down, ... or, ... just kidding
Could you specify a bit more what the thought behind your question is.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.