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Sonim XP8 ® - Manage TTY Settings

2026-10-15 06:09:05.886

Sonim XP8® - Manage TTY Settings

Here's how to change the TTY settings on your Sonim XP8.
When TTY (teletypewriter) settings are enabled, you can use your phone with a TTY device if you're deaf or hard of hearing.
  1. From a Home screen, tap the
    Phone icon
     Phone icon (lower-left).
    If not available, swipe up to access all apps then tap
    Phone
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right).
  3. Tap
    Settings
    .
  4. Tap
    Accessibility
    .
  5. Tap
    TTY mode
    .
  6. Select one of the following:
    • TTY Off
       : Disables all TTY settings
    • TTY Full
       : Enables all TTY settings
    • TTY HCO
       : Enables HCO (Hearing Carry Over)
    • TTY VCO
       : Enables VCO (Voice Carry Over)