Isn't the elephant in the room competing services : facetime, or facebook messenger, or whatever the google product is?
Which are all terrible in a business setting. Facebook is block at my employer, because most people doesn't seem to understand that they shouldn't be on Facebook during work hours. Also many companies doesn't exactly like it when you use a private account for business related communication. Google Hangout is just horrible, and not only because I'm require to have an Google account (and I'm NOT using person accounts f…
I'd like to be able to fully disable video. Not sure that's an option, but for bandwidth-limited situations, it should help.
The account requirement, though, is the absolute killer. It seems to have arisen from Google's desperate effort to push world+dog to G+, despite exceptionally strong reluctance and/or resistance to do so.
If instead they'd followed the WebRTC mode described above (first I've heard of that -- someone's failing to market), with the call coordinator / originator needing an ID, but no other party, then it might actually have taken off.
I've found the implementation, integration with other tools (it's where I don't want it, it's not where I do, it keeps activating when I don't want it, for a long time it was impossible to log off, etc., etc), name, and pretty much everything else to be pants. The idea, however, is capital.
Sad, really.