45
Making TTY Calls
Turning On the TTY Fe a ture
Your phone’s TTY feature must be on if you want
to make TTY calls, set the TTY mod e, or change
the TTY baud rate. To make sure the TTY feature
is on:
From the main menu, select Settings > Phone
Calls > TTY > Use TTY. This field mus t 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 rep lies on your TTY device .
• HCO (Hearing-Carry-Over) — You type text on
your TTY device and lis ten to voice replies on
your phone speaker.
To change mode while no t in a call:
1From the main menu, select Settings > Phone
Calls > TTY > Type.
2Select the TTY mode you want.
When you make a TTY call, the cal l begins in the
TTY mode you last selected.
To change mode during a call using your phone:
1Press m.
2Select In Call Setup > TTY > Type.
3Select 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 mo de
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 138.)
Changing the TTY Baud Rate
By default, your phone’s TTY baud rate is set to
45.45, the baud rate required fo r TTY calls within
the U.S. To make calls outside t he U.S., set your
TTY baud rate to 50.0.