moto z2 force edition - Manage TTY Settings

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 Phone (lower-left).
   If not available, tap the Arrow icon to display all apps then tap Phone.
2. Tap the Menu icon (upper-right).
3. Tap Settings.
4. Tap Accessibilty.
5. Tap TTY mode.
6. Select the preferred TTY mode:

   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)