Currently Being ModeratedMar 1, 2013 6:03 PM (in response to CommissarSense)
1. Close all apps in the Task Bar. Double-click the Home button and hold apps down for a second or two. Tap the minus sign to close app.
2. Hold the Sleep and Home button down until you see the Apple Logo.
Currently Being ModeratedMar 1, 2013 6:11 PM (in response to CommissarSense)
It's also happen with me when contact my mom. This is because her Internet is around 1MB. So check your and oyur friend's Internet plan are strong enough to support Facetime calls.
Hope it helps
Currently Being ModeratedMar 2, 2013 1:22 AM (in response to CommissarSense)
Have you tested the actual speed?
Currently Being ModeratedMar 3, 2013 12:48 PM (in response to CommissarSense)
Are you trying to message another Apple device?
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
For non-Apple devices, check out the TextFree app https://itunes.apple.com/us/app/text-free-textfree-sms-real/id399355755?mt=8
How to Send SMS from iPad