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TTY Mode
Your phone is fully Teletypewriter (TTY)/Telecommunication
Device for the Deaf (TDD) compatible. You connect TTY/TDD
equipment to the headset connector on the top of your phone,
behind the folder hinge. You can set your phone to allow TTY/TTD
communication while you converse with the other party, or you
can limit voice communication to Talking or Hearing only.
Note: TTY Mode
must be enabled before you can use your phone with TTY/
TDD equipment.
The
TTY Mode
option has no effect on the phone’s earpiece,
microphone, or speaker. When you select
TTY Full
, all currently
enabled sound functions remain enabled.
Speed Dial
Speed Dial
lets you enable or disable 1-key or 2-key speed
dialing of up to 29 Contacts you select as Favorites.
Voice Privacy
Voice Privacy
lets you choose what level of voice security
(Standard or Enhanced) your phone will use.
Tip:
You can change your Voice Privacy setting during a call by using the
In-
Use Menu
options. (For more information, refer to
“In-Call Options”
on
page 24.)
You can set your phone to alert you when Voice Privacy support
changes. (For more information, refer to
“Call Alerts”
on page 84.)
DTMF Tones
DTMF Tones lets you choose whether your phone produces
(default) Short or Long Dual-Tone Multi-Frequency tones when
dialing a number.
Hearing Aid Mode
You can set your r900 phone to operate with hearing aids.
Phone Settings
You can set or reset the operating characteristics of your phone
to suit your location and/or to limit access to your phone.
Airplane Mode
When set to
On
, Airplane Mode disables all radio functions of
your phone. This blocks you from making or receiving calls other
than Emergency (911) calls, but allows you to use other features
(such as the camera and the Tools) safely in sensitive
environments, such as on board an aircraft.