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Dual Tone Multi-Frequency tones
The tones that your telephone transmits
when you press a key on the keypad. These tones are used to access automated
calling systems such as Voice Mail, paging services, banking-by-phone, etc. These
tones will also be heard by the party on the other line if you use the Scratchpad
while a call is in progress. Synonymous with Scratchpad tones.
F
fringe area
The outermost range of a cellular system where cellular signals
are weak.
function keys
The seven keys at the bottom of your phone’s keypad used to
perform specific tasks.
H
home system
The local cellular system where you obtain your cellular service.
home type system
A cellular system of the same type as your local cellular
system. See also non-home type system, and system type.
I
indicator
A light on your phone that gives you information about your
phone’s status.
icon
A symbol at the bottom of the phone’s display that corresponds to a main
feature menu. See also main menu.
L
landline
The telephone system used for conventional office and home phones.
Lithium Ion
(LiIon) A battery technology used in personal cellular telephones.
Lithium Ion batteries provide more energy capacity than Nickel Metal Hydride
batteries of the same weight.
lock
To prevent unauthorized access to the cellular telephone.
lock code
A three-digit code used to unlock a locked phone.
Glossary
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