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Advanced Calling Feat u res
Turning On th e TTY Feature
Your phone’s TTY feature must be on if you want
to make TTY calls, set the TTY mode, or change
the TTY baud rate. To make s ure the TTY feature
is on:
From the main menu, select Settings > Phone
Calls > TTY > Use TTY. This field must say On.
Choosing a Mode
Your phone supports these TTY modes:
• TTY — You type and read text on your T TY
device.
•VCO (Voice-Carry-Over) — You speak into your
phone and read tex t replies on your TT Y device.
• HCO (Hearing-Carry-Over) — You type text on
your TTY device an d listen to voice rep lies on
your phone speak er.
To change mode w hile not 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 call 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 HC O 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 117.)
Changing the TTY Baud Rate
By default, your phone’s TTY baud rate is set to
45.45, the baud rate requi red for TTY calls within
the U.S. To make calls ou tside the U.S., set your
TTY baud rate to 50.0.