You may have seen the acronym RTT or T at the top of your phone screen while making or receiving a call. RTT stands for "Real-time Text," and is a feature that instantaneously transmits the text ...

How to type text on an iPhone during an RTT/TTY call. To send a text during an RTT/TTY, type it out as you would a text message in the call field.

With RTT, devices send text instantaneously and automatically through wireless networks, and there’s no need to invoke another “send” command. This, the FCC says, allows for “a more ...

Working time reduction (RTT) is a scheme which provides for the allocation of days or half-days of rest to an employee whose working time is more than 35 hours per week. We'll give you the ...