Advanced Calling Features
To change mode during a call using your phone:
1 Press m.
2 Select TTY > Type.
3 Select the mode you want.
To change mode during a call using your TTY device,
issue one of the following command:
• "VCO please" — to select VCO mode
• "HCO please" — to select HCO mode
• "HCO off please" — to turn off HCO mode
Important: When you are using HCO, the sound
coming from your phone speaker may be
uncomfortably loud. Use caution when
putting the phone to your ear. (For
information on setting the volume of your
phone speaker, see "Setting the Volume"
on page 79.)
Changing the TTY Baud Rate
By default, your phone's TTY baud rate is set to
45.45, the baud rate required for TTY calls within the
U.S. To make calls outside the U.S., set your TTY
baud rate to 50.0.
To change the TTY baud rate:
1 From the main menu, select Settings > Phone
Calls > TTY > Baud.
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2 Press A under Change
3 Scroll to the baud rate for your location.
4 Press A under Select.