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Advanced Calling Features
When you make a TTY call, these icons appear on
the phone’s display:
TTY device features such as Turbo-Code ,
High-Speed, and Interruption are not supported by
your phone. These features must be tu rned off or
disabled to use your TTY device with your phone.
Turning On the TTY Feature
Your phone’s TTY feature must be on if you want to
make TTY calls, set the TTY m ode, 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 must say On.
Choosing a Mode
Your phone supports these TTY modes:
•TTY — You type and read t ext 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:
1From the main menu, s elect Settings > Phone
Calls > TTY > Type.
2Select the TTY mo de you want.
When you make a TT Y call, the call begi ns in the
TTY mode you last selected.
To change mode during a call us ing your phone:
1Press m.
2Select In Call Setup > TTY > Type.
3Select the mode y ou want.
To change mode during a call us ing 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 “Setting the
Volume” on page 128.)
NPhone call is active.
OPhone call is on hold.