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Learn about Real-Time Text (RTT)

Have a hearing or speech disability and want another way to communicate? You can do just that with a built-in feature on our mobile phones.


About AT&T Real-Time Text

You can use Real-Time Text (RTT) on your mobile device if you have a hearing or speech disability. RTT allows for character-by-character transmission of messages in an alternative text format.1  As a sender types a message on their device, text (by letter or symbol) displays on the receiving device. RTT is great for everyday communication and is compatible with emergency calls.2

RTT uses our wireless network or Wi-Fi Calling to connect with users on networks that support this type of communication.

Key benefits of AT&T Real-Time Text

  • Works on our wireless network and with Wi-Fi Calling
  • Offers a more conversational flow compared to wireline TTY and relay services
  • Supports simultaneous text and speech on RTT-to-RTT calls


See all important details

Last updated: March 11, 2025

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