What Does Rtt Mean On A Phone Call? Real-time text (RTT) is a feature on the Apple® iPhone® that allows for those with hearing or speech impairments to carry on a conversational text via a phone call. When RTT is enabled on both devices, no audio is heard on the call.

Why does it say RTT When I call someone? Real-time text (RTT) lets you use text to communicate during a phone call. RTT works with TTY and doesn’t require any additional accessories. Important: The information in this article might not apply to all devices.

How do I turn off RTT calling? Open the Phone app on your mobile device. Settings may be accessed by tapping More. Tap Accessibility in the menu bar. Turn the switch off if you see Real-time text (RTT).

What is RTT call on iPhone? If you have hearing or speech difficulties, you can communicate by telephone using Teletype (TTY) or real-time text (RTT)—protocols that transmit text as you type and allow the recipient to read the message right away. RTT is a more advanced protocol that transmits audio as you type text.

How do I remove RTT from my iPhone contacts?

Settings>General>Accessibility>RTT/TTY and turn off.