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Glossary
108
Channel
Communications signals transmit along paths
called channels.
Codec
Compression & Decompression.
Deactivation
The process of rendering a wireless phone
inactive.
DTMF (Dual-tone Multi-Frequency )
You send DTMF signals when you enter numbers
by pressing the digit keys.
EVRC
(Enhanced Variable Rate Codec) EVRC is a new
global standard for compressing and
decompressing voice signals. EVRC uses a lower
bit rate (the number of bits sent per second) than
existing CDMA vocoders, while providing
significant improvements in voice quality. This
technology enables your phone to provide superb
voice quality while benefiting from the ability to
process more cellular voice calls using less
bandwidth than the voice codecs in CDMA
networks today.
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).
Glossary
109
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 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.
Service Charge
The amount paid each month to receive wireless
service.
Summary of Contents for SCH-N356
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