Wireless Support/Device Support/
Calling & contacts/
TTY Support
Which device do you want help with?

TTY Support

TTY Support offers speech-to-text functions for the hearing impaired.

  1. Dial *983*889*1# to enter TTY full mode (transmit and receive TTY characters).
    device 2637/1280030.jpg
  2. Dial *983*889*2# to enter VCO mode (receive TTY characters but transmit by speaking into the microphone).
    device 2637/1280031.jpg
  3. Dial *983*889*3# to enter HCO mode (transmit TTY characters but receive by listening to the receiver).
    device 2637/1280032.jpg
  4. Dial *983*889*0# to reset the phone to standard voice speaking and listening mode.
    device 2637/1280033.jpg

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