RED HYDROGEN ONE - Manage TTY Settings

Note TTY Settings allow Text Telephone devices (TTYs) to be enabled so that deaf and hearing-impaired customers can use the telephone by utilizing a visual rather than auditory mode of communication.

  1. From a Home screen, tap Phone Phone icon (lower-left).
    Note If not available, swipe up from the center of a Home screen then tap Phone.
  2. Tap the Menu icon 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)
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