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G G l l o o s s s s a a r r y y
Line Identification - Services allowing subscribers
Services (Caller ID to view or block the telephone
Display)
numbers of callers.
Frequency - A measure based on time, as one or
more waves per second, in an electrical
or light wave information signal. A
signal's frequency is stated in cycles-
per-second or Hertz (Hz).
Hands-Free - A feature that permits a driver to use
a wireless phone without lifting or
holding the handset - an important
safety feature for automobiles,
tractors and most other motorized
vehicles.
LCD - (Liquid Crystal Display) Commonly used to
refer to the screen display on the wireless
phone.
LED - (Light Emitting Diode) Commonly used to refer
to a small light on the wireless phone or on
the Desktop Charger. The LED lights on the
phone to indicate an incoming call. The lights
on the charger to indicate that battery
charging is taking place.
Prepend - The addition of a prefix, such as an area
code, to a phone number.
RF - Radio Frequency
Roaming - The ability to use a wireless phone to
make and receive calls in places outside
of the home service area.
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Service Charge - The amount paid each month to
receive wireless service.
Standby Time - The amount of time a fully charged
wireless portable or transportable
phone can be on and idle without
being in use. (See Talk Time)
Talk Time - The length of time a person can talk on
a portable or transportable wireless
phone without recharging the battery.
Vocoder - Voice Coder. A device used to convert
speech into digital signals.
Voicemail - A computerized answering service that
answers a call, plays a greeting and
records a message. Depending on the
sophistication of the service, it can
notify the subscriber, via a pager, of an
incoming call or message. (Also called
voice messaging)
Wireless - Radio-based Systems that allow
transmission of telephone or data signals
through the air without a physical
connection, such as a metal wire
(copper) or fiber optic cable.
G G l l o o s s s s a a r r y y
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