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Advanced Calling Features
From the main menu, select Settings > Phone
Calls > TTY. This field must say On.
Choosing a Mode
Your phone supports these TTY modes:
• TTY — You type and read text on your TTY
device.
•VCO(Voice-Carry-Over) — You speak into your
phone and read text replies on your TTY device.
• HCO (Hearing-Carry-Over) — You type text on
your TTY device and listen to voice replies on
your phone speaker.
To change mode while not in a call:
1 From the main menu, select Settings > Phone
Calls > TTY > Type.
2 Press A under Change.
3 Scroll to the TTY mode you want.
4 Press A under Select.
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 Selectthemodeyouwant.
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: Whenyou are using HCO, the sound
comingfrom 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 90.)
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
TTYbaudrateto50.0.
To change the TTY baud rate:
1 From the main menu, select Settings > Phone
Calls > TTY > Baud.
2 Press A under Change
3 Scroll to the baud rate for your location.
4 Press A under Select.