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cellular signal
The radio waves that carry information
between your cellular phone and the cellular system.
cellular system
The cellular equipment in a given
geographic area that relays signals to and from
individual cellular telephones and the landline
telephone system.
cigarette lighter adapter
An accessory device that
allows you to power your phone and charge any attached
batteries from a car’s cigarette lighter.
D
DTMF tones
See Dual Tone Multi-Frequency tones.
default
A feature’s original setting as pre-programmed in
the factory.
digital message
See callback message.
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, and
banking-by-phone systems. 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.