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Samsung Galaxy A20 - Manage RTT Settings

2026-10-04 17:37:48.149

Samsung Galaxy A20 - Manage RTT Settings

Here's how to use the real-time talk (RTT) feature on your Galaxy A20.
Real-time text (RTT) is text transmitted instantly as it is typed or created. Recipients can immediately read the message while it is being written without waiting or the need for an additional device.

Change RTT Visibility

  1. Open the
    Settings app
    .
  2. Navigate:
    Accessibility
    Hearing enhancements
    Real Time Text
    .
  3. Tap
    RTT call button
    .
  4. Select the preferred setting:
    • Visible during calls
       : Show the RTT call button only during RTT calls.
    • Always visible
       : Show the RTT call button on the keypad and during all calls.

Make a Call with RTT

  1. With RTT enabled, from a Home screen, tap the
    Phone app
    .
  2. Do one of the following:
    • From the Keypad tab (lower-left), enter a 10-digit number then tap the
      RTT call icon
       (at the bottom).
    • From the Contacts tab (lower-right), select a contact then tap the
      RTT call icon
      .

Switch a Call to RTT

  1. While on a call, tap
    Real Time Text
    .
    Real Time Text

End an RTT Call

  1. While on a call, tap
    End
    .