iPhone 6 status bar, what is this symbol? See pic
What is this symbol? On my iPhone 6, it's on the top by the Bluetooth symbol.phone with keyboard?
Solution 1:
That indicates that "iPhone is set to work with a TTY machine." See the official iPhone manual for additional information (page 13, 165).
http://manuals.info.apple.com/MANUALS/1000/MA1565/en_US/iphone_user_guide.pdf