In this context, the question becomes especially relevant quality 3G-connection, as the appetites of corporate protocol Apple, as wediscovered , quite large. What if FaceTime-call will be made on a low internet connection and video quality will be low?
In this case, you can easily switch to the audio broadcasting. As it became known, FaceTime video chat works as a normal VoIP-client. When the signal is weak or iPad iPhone user can at any time by clicking the Home button. In this case, a conversation with someone does not stop, but the device will disable iOS-transfer images from your camera.
Switching FaceTime in the background will not only solve problems with video calls, but will improve the sound quality and will save on the cost of mobile Internet.