FaceTime does not work over 4G on the new iPad
Wi-Fi + 4G iPad on Verizon will get Wi-Fi hotspot functionality at no extra cost. That said, several iOS devices can hook up to the tablet's 4G connection and use FaceTime anyway, although the feature will still eat up about 3 megabytes per minute off the iPad's data plan.Actually, that shouldn't come as much of a surprise as FaceTime did not work over 3G either. And even though Steve Jobs once said that Apple will try to work things out with the wireless carriers, it seems like the feature will remain Wi-Fi-only in the short term. Ironically, the
So yeah, all of you people lining up for the new iPad may not be happy to hear that, but FaceTime is still a Wi-Fi-only feature. If you are now looking for a way to extinguish your frustration, feel free to drop us a comment below.
source: The Verge