147
Glossary
A
airtime The amount of time you
spend using a cellular or satellite
system. Especially, the time
between successfully placing a
call and terminating a call.
antenna The devices on your
phone that send and receive
satellite or cellular signals.
C
clear-line-of sight In order for
your phone to communicate to
the satellite network, your
antenna must have a clear view
of the sky.
D
default A feature’s original
setting as pre-programmed in the
factory.
DTMF See Dual Tone Multi-
Frequency tones.
dual mode phone A phone
designed to operate on a cellular
network and the Iridium satellite
network.
Dual Tone Multi-Frequency
Tones The tones that your
phone transmits when you press
a key on the keypad. These
tones are used to access
automated calling systems such
as voicemail.
E
Emergency Call This feature
allows you to make an
emergency call even if your
phone is locked by dialing 112.
F
fringe area The outermost
range of a cellular system or the
Iridium satellite system where
signals are weak.
H
home system The local cellular
system or satellite network where
you obtain your wireless service.
home type system A cellular/
satellite system of the same type
as your local system. See also
non-home type system, and
system type.
I
In-Call Menu The menu that
appears when you press
M
during a call. It allows you to
access features like call holding.
indicator A light or icon on your
phone that gives you information
about your phone’s status.
Iridium System A system of 66
satellites that offer global
communication.
Mobile.book Page 147 Wednesday, September 9, 1998 3:05 PM
To Next Page
Loading...
