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When you make a TTY call, the call begins in the
TTY mode you last selected.
To change mode during a call using your phone:
1 Press m.
2 Select In Call Setup > TTY > Type.
3 Select the mode you want.
To change mode during a call using your TTY
device, issue one of the following commands:
• "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 "Using
Settings" on page 150.)
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 50.00.
Features for the Hearing Impaired
To change the TTY baud rate:
1 From the main menu, select Settings > Phone
Calls > TTY > Baud.
2 Select the baud rate for your location.
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