Samsung SGH-R225LV-XAR - Manual (Page 64)

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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.
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.