Currently Being ModeratedSep 4, 2013 1:13 PM (in response to tmacke5)
iPhone 4 facetime not working: Apple Support Communities will offer you some insight regarding your question.OS X Mountain Lion (10.8.4), iPad 3G, iPhone 4, 20GB iPod Color, iPod shuffle
Currently Being ModeratedSep 12, 2013 9:23 AM (in response to tmacke5)
Mine has suddenly stopped working too. It was working fine up to 2 weeks ago. Elsewhere on this forum
https://discussions.apple.com/message/22453764#22453764 you will see that lots of people have the same problem.