iPad FaceTime Over 3G on iOS 5 Without Jailbreaking

It seems that in the iOS 5 beta indicates that iOS 5.0 will support FaceTime over 3G. While activing the FaceTime from settings on iOS 5 beta, you will get the message "FaceTime Unavailable - Turn on cellular data or use wifi to Facetime."But this depend on your mobile carrier, because carriers may block FaceTime for them, even on the Wi-Fi-only service.