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Glossary 41
Operator
To be able to use your phone, you need a subscription to a network.
You get this subscription from a network operator.
Phone Book
A memory in your mobile phone where phone numbers can be
stored and accessed by name (alpha memory search) or position.
Personal Identification Number (PIN)
Your PIN is a code used for all phones to establish authorization for
access to certain functions or information. The PIN code comes
with your subscription.
Preferred Roaming List (PRL)
The PRL is defined by your service provider so that your phone will
automatically search for optional networks when your primary net-
work is not available. These predefined networks typically offer bet-
ter rates than non-preferred networks. Preferred networks are
indicated with an
R
.
Restrict Calls
Enables you to restrict certain or all types of calls to and from your
mobile phone, for example, outgoing calls, outgoing international
calls, incoming calls. Restricting is activated with a personal code. To
use this service, it must be supported by your network.
Roaming
You are outside of your home network.
Semi-Duplex
In handsfree equipment, full duplex means that the connection is
open for both parties to talk simultaneously. Semi-duplex gives close
to, but not complete, duplex functionality.
Service Provider
Like a Content Provider, your Service Provider provides network
access to mobile phone users. The Service Provider and Content Pro-
vider may be the same.
Short Message Service (SMS)
SMS allows messages of up to 239 characters to be sent and received
via the network operator’s message center to your mobile phone.
Messages are stored if the phone is off or out of reach ensuring that
they reach you. To use this service, it must be supported by your net-
work.
Scroll
Press or to move between the menus.
Select
Scroll to a menu then press the YES key on the phone.
Soft Keys
Soft Keys are virtual keys that have varying functionality in Browser
Mode. The soft keys are shown in the display above the
YES and NO
keys; however, you use the YES and NO keys to operate the soft key
functions.