130GlossaryTo help you understand the main technical termsand abbreviations used in this booklet and take fulladvantage of the features on your mobile phone,here are a few definitions.Active FlipAbility to answer a call simply by opening thephone.Call ForwardingAbility to reroute calls to another number.Call HoldingAbility to put one call on standby while answering ormaking another call; you can then switch betweenthe two calls, as required.Call WaitingAbility to inform users that they have an incomingcall when engaged on another call.GSM (Global System for MobileCommunication)International standard for cellular communication,guaranteeing compatibility between the variousnetwork operators. GSM covers most Europeancountries and many other parts of the world.Glossary131JavaProgramming language generating applications thatcan run on all hardware platforms, whether small,medium or large, without modification. It has beenpromoted for and geared heavily to the Web, bothfor public Web sites and Intranets. When a Javaprogram runs from a Web page, it is called a Javaapplet. When it is run on a mobile phone or pager, itis called a MIDlet.Line Identification Services (Caller ID)Services allowing subscribers to view or block thetelephone numbers of callers.Multiparty CallingAbility to establish a conference call involving up tofive additional parties.Phone PasswordSecurity code used to unlock the phone when youhave selected the option to lock it automaticallyeach time it switches on.PIN (Personal Identification Number)Security code that protects the phone/SIM againstunauthorized use. The PIN is supplied by theservice provider with the SIM card. It may be a fourto eight-digit number and can be changed, asrequired.