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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.
Line Identification Services (Caller ID)
Services allowing subscribers to view or block the
telephone numbers of callers.
Glossary
141
MMS (Multimedia Message Service)
A message service for the mobile environment,
standardized by the WAP Forum and the 3rd
Generation Partnership Program (3GPP). For phone
users, MMS is similar to Short Message Service
(SMS)-it provides automatic, immediate delivery of
user-created content from phone to phone. The
message addressing used is primarily phone
numbers, thus the traffic goes from phone to
phone. MMS also provides support for e-mail
addressing, so that messages can also be sent by
e-mail. In addition to the text content of SMS, MMS
messages can contain still images, voice or audio
clips, and later also video clips and presentation
information.
Multiparty Calling
Ability to establish a conference call involving up to
five additional parties.
Phone Password
Security code used to unlock the phone when you
have selected the option to lock it automatically
each time it switches on.
PIN (Personal Identification Number)
Security code that protects the phone/SIM against
unauthorized use. The PIN is supplied by the
service provider with the SIM card. It may be a four
to eight-digit number and can be changed, as
required.