Ericsson T28z - Manual (Page 110)

Glossary 109
Phone Book
a memory in your mobile phone or SIM card where phone numbers can be
stored and accessed alphabetically or by position.
PIN
Personal Identification Number – a code used for all GSM-based phones to
establish authorization for access to certain functions or information.
The PIN code comes with your subscription.
PIN2
Personal Identification Number 2 – an authorization code which is used only
for special services. The PIN2 code comes with your subscription.
PUK
Personal Unblocking Key Code – used to unlock a blocked SIM card.
This comes with your subscription.
Restrict Calls
enables you to restrict or block certain or all types of calls to and from your
mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls.
Blocking is switched on with a personal code. To use this service, it must be
supported by your network.
Roaming
Within your home network, this means that your mobile phone automatically
sets up communication procedures with different radio base stations when
on the move.
Scroll
move between the menus and functions by pressing u or d.
Select
choose a menu or function by pressing the Y E S key.
Semi-Duplex
In handsfree equipment, full duplex means that the connection is open for
both parties to talk simultaneously. The opposite, simplex, is when it is open
to one at a time. Semi-duplex gives close to, but not complete, duplex
functionality.
Service Provider
a company that provides services and subscriptions to mobile phone users.