Sonim XP5s® - Manage RTT Settings

Note Notes:

  • If you aren't hearing audio on a call, make sure RTT is turned off.
  • No additional device is needed.


  1. From a Home screen, press the Apps tray button Apps tray.
  2. Navigate: Settings Settings icon > Accessibility Accesibility settings icon.
    Note Utilize the 5-way navigation pad to highlight and the center button to select.
  3. Select one of the following:
    • Only during a call
    • During and when placing receiving a call