If you reside within the Apple ecosystem, your preferred videoconferencing method is probably FaceTime, Apple’s video-calling software that lets desktop and mobile users make video calls over both ...

FaceTime currently establishes a connection on the iPhone 4 using your phone number as a means to authenticate. This is a problem for Wi-Fi iPads and the iPod touch, since they don’t have a cell ...

Now correct me if I'm wrong but FaceTime on the iPad is restricted to wifi like the iPhone 4 so over 3G you can't do it. But if you use Personal Hotspot on one of them will it allow you to do FaceTime ...