Currently Being ModeratedJan 9, 2013 1:31 PM (in response to Blackstar87)
Using FaceTime http://support.apple.com/kb/ht4319
Troubleshooting FaceTime http://support.apple.com/kb/TS3367
The Complete Guide to FaceTime + iMessage: Setup, Use, and Troubleshooting
Troubleshooting FaceTime and iMessage activation
Using FaceTime and iMessage behind a firewall
iOS: About Messages
Set up iMessage
Setting Up Multiple iOS Devices for iMessage and Facetime
FaceTime and iMessage not accepting Apple ID password
Unable to use FaceTime and iMessage with my apple ID
Currently Being ModeratedJan 9, 2013 1:32 PM (in response to Blackstar87)
Open the Settings app > Messages > Send and Recieve
FaceTime (available addresses will be displayed.
To use an address for either of these, it needs to first be associated with your AppleID. Both apps will use email addresses as well phone numbers.