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Internet
An electronic communications network that connects 
computer networks and organizational computer facilities 
around the world.
IrDA
Infrared Data Association. IrDA is a non-profit trade 
association with a membership that ensures interoperability 
between devices of all types.
keypad tones
The sounds you hear when a key on your phone’s keypad is 
pressed.
message alert 
tone
The sounds you hear upon receipt of a text or system 
message by your phone.
microphone
The electronic element located in the slide of your phone, 
responsible for picking up your voice and other sounds.
navigate
To move from one Internet site (web page) to another, or 
from one menu to another.
non-home 
system
Any system that does not use the same wireless “format” as 
your home system.
number keys The numbered keys on your phone’s keypad.
power key
The button on the front of the phone that allows you to turn 
the phone on or off. It can also be used to recall and switch 
your phone’s profiles.
predictive text 
input
A system developed for the rapid entry of text via a highly 
compressed database (or dictionary) of words.
preferred 
system
A system that uses the same “format” as your home system, 
but is not the system on which you are a subscriber.
ringing option
The way your phone plays (or does not play) the selected 
ringing tone when you have an incoming call. For example, 
ascending, descending.
Term Definition