Ericsson T28z - Manual (Page 109)

108 Glossary
Full Duplex
in handsfree equipment, means that both parties on the phone can talk at the
same time. The opposite is simplex mode when one party talks and the other
must wait for his/her turn.
GSM 1900
is a digital network working on a frequency of 1900 MHz. It is used in
the Americas.
International (+) sign
mobile phone (+) sign that automatically adds the correct international code in
front of a telephone number when dialing out of a country. You then have to
enter the code of the country you are calling.
International Roaming
a mobile phone feature that allows you to switch between networks offering
coverage abroad. Your mobile phone automatically selects a network or
system (your home network), but if it is not in range or unavailable, it selects
another system. International roaming is based on agreements between
network operators in different countries.
Line 1/Line 2
see Two Line Service.
Menu System
is where you can access all the phone’s functions. The menus can be accessed
and viewed by scrolling with the arrow keys.
Network
a mobile phone network or system consists of a network of cells or areas.
A radio base station serves each cell from where calls are forwarded to and
received from your mobile phone by wireless radio signals.
Network Operator
to be able to use your phone, you need a subscription to a network.
You get this subscription from a network operator, together with a SIM card
that you need to use with your phone.
PC-Card
also called PCMCIA, the PC-card can act as a modem and connect your
mobile phone to a laptop or organizer, enabling data and fax transmission.
The thin type II card is the most common size.