I have tried to contact fibaro regarding a recent installation of the Intercom. No response through any channel. My conclusion after 2 weeks: the product is totally UNUSABLE.
1. You cannot take a call on iOS devices as login is not working most of the time hence you cannot intercept a call. Login should be immediate which is not the case.
The Login process is really bad: sometimes it works as local, sometimes as remote, sometimes not at all. And when you need to take a call, the n