I have used facetime for years and it has always worked and starting with iOS 6 it has worked over 3G. However as of late it has not been working over 3G and I am not sure why. I have contacted Sprint and they are clueless and I have reset my phone, powered it off and then on, turned FT off and on, and done eveyrthing and it refuses to work.However it works like a charm over WIFI. Is anyone else also experiening this issue?
UPDATE- Visited the local Sprint Store here in Parker, CO and we tried 3 other iPhone's which included the 5S and they also had the issue. We tried Face-timing each one of them to my phone, and then to each other and none could connect. This has to be a Sprint issue in my area.
iPhone 4S, OS X Mountain Lion (10.8.2)