FaceTime: unable to answer incoming calls on macOS I have an iPhone and a MacBook using the same wireless network.


I am able to make a call on my Mac (Mojave) with FaceTime using my iPhone, the call works without any problem.
When receiving a call I get the following popup:




However, after clicking on "Accept" I get the following error:



I signed out and in on each device without any improvement. It seems strange as the connection works (I am able to call). I only have problems answering.

Any hints on what I could try?
Try rebooting in safe mode as shown in this apple guide: https://support.apple.com/en-us/HT201262 and then restart your mac normally.
This should clear the caches and fix the issue.

Source: https://medium.com/@ambroselittle/fix-call-failed-with-continuity-on-macos-sierra-e9e662ad6947