It's a TTY icon.

Please read the iPhone User Guide manual on page 18 and 113.

http://support.apple.com/manuals/#iphone

*It would be great to post your queries in the thread below if you can in the future.

http://forum.lowyat.net/topic/827231

Cheers

This post has been edited by davidgary73: Feb 5 2009, 03:44 PM