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2025-05-16 08:10:25.028

Sonim XP5 - Manage TTY Settings

Here's how to access TTY settings on your Sonim XP5.
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 the main screen, press the green
    Phone button
     Phone button.
  2. From the dialpad tab, select
    Call settings
    .
    Utilize the 5-way navigation pad to highlight and the center button to select.
  3. Select
    TTY mode
     then 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)