What is this icon?

[cloroxbleach4]

I'm not quite sure what the icon in the top right corner of my iphone is. The one with the phone/keyboard looking thing. Also, how do i get rid of it?

 

[rorschach]

TTY. You can turn it off in Settings > General > Phone.

 

[Neverbepeace]

😕

 

[brendu]

http://support.apple.com/kb/HT3519