As a matter of fact this is exactly what came out from an experiment made in Europe (Biarritz/France), in the '80's and '90's (the price was not an issue as the experiment was subsidized).

People had troubles in finding a place to put the device (most put it in a "neutral" area, like a corridor), and there was the "etiquette" issue of allowing video or not (because of not being "ready" for the video call).

This is how the devices looked:

http://rxcontrol.free.fr/Visiophone/

Here is a related paper (French):

https://hal.archives-ouvertes.fr/hal-01671120/document