Internal vs External Calling
Being able to restrict calls to internal staff only. Ideally would be removing the calling tab on the left, but keep the audio & video chat buttons when in the chat tab.
It's been such a wonderful experience while reading your post! for problems related to a printer please visit https://www.brotherprintersupport247.com/brother-printer-configuration/
Peter Braun commented
You can remove the "Calling" app/shortcut via the Teams Admin Center (see attached screenshot).