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TTY Support
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AT&T Wireless Internet (MF279)

TTY Support

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

  1. Dial *983*889*1# to enter TTY full mode.
    Note: TTY requires a fully compatible TTY telephone. TTY Full mode will transmit and receive TTY characters.
    device 5174/9006675_01.jpg
  2. Dial *983*889*2# to enter VCO mode.
    Note: VCO mode will receive TTY characters but transmit by speaking into the microphone.
    device 5174/9006675_02.jpg
  3. Dial *983*889*3# to enter HCO mode.
    Note: HCO mode will transmit TTY characters but receive by listening to the receiver.
    device 5174/9006675_03.jpg
  4. Dial *983*889*0# to reset the phone to standard mode.
    Note: Standard mode will restore regular calling functions.
    device 5174/9006675_04.jpg

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