Whenever I go to facetime on my macbook air it says call failed. Both my WiFi and Facetime are connected. I tried turning my Facetime on, and off,yet it still does not work. please help.
Thanks for the question, and great troubleshooting so far. The following article provides additional steps that may have to resolve your issue:
FaceTime for Mac: Troubleshooting FaceTime
Is your Firewall on?
FaceTime and Messages Behind a Firewall
Retrieving data ...