138
Glossary
To help you understand the main technical terms
and abbreviations used in this booklet and take full
advantage of the features on your mobile phone,
here are a few definitions.
Active Folder
Ability to answer a call simply by opening the
phone.
Call Forwarding
Ability to reroute calls to another number.
Call Holding
Ability to put one call on standby while answering or
making another call; you can then switch between
the two calls, as required.
Call Waiting
Ability to inform users that they have an incoming
call when engaged on another call.
GSM (Global System for Mobile
Communication)
International standard for cellular communication,
guaranteeing compatibility between the various
network operators. GSM covers most European
countries and many other parts of the world.
Glossary
139
Line Identification Services (Caller ID)
Services allowing subscribers to view or block the
telephone numbers of callers.
MMS (Multimedia Message Service)
A message service for the mobile environment,
