Wireless carriers will adopt a new real-time text protocol by December 2017
 

The FCC is ready to adopt a proposal that'll bring a new protocol to wireless networks to help people with disabilities communicate. It's called real-time text (RTT) and will be a replacement for the aging teletypwriter (TTY) devices that let users t...

http://www.engadget.com/2016/04/29/f...osal-dec-2017/