To help you understand the main technical terms andabbreviations used in this booklet and take full advantageof the features of your mobile phone, here are a fewdefinitions.Call BarringAbility to restrict outgoing and incoming calls.Call ForwardingAbility to re-route calls to another number.Call HoldingAbility to put one call on Standby while answering or makinganother call; you can then switch between the two calls, asrequired.Call WaitingAbility to inform users that they have an incoming call whileengaged on another call.CLI (Caller Line Identification) ServicesServices allowing subscribers to view or block the telephonenumbers of callers.GPRS (General Packet Radio Service)New non-voice value-added service that allows informationto be sent and received across a mobile telephonenetwork. GPRS guarantees a continuous connection tothe Internet for mobile phone and computer users. It isbased on the Global System for Mobile Communication(GSM) circuitswitched mobile phone connections and ShortMessage Service (SMS).GSM (Global System for Mobile Communication)International standard for mobile phone communication,guaranteeing compatibility between the various networkoperators. GSM covers most European countries and manyother parts of the world.MMS(Multimedia Message Service)Network service sending and receiving messages toand from another subscriber without having to speak tothe correspondent. The Message supports presentationof various media types, such as full color images andpolyphonic ringtones.Multiparty CallingAbility to establish a conference call involving up to fiveadditional parties.PIN (Personal Identification Number)Security code that protects the phone/SIM againstunauthorized use. The PIN is supplied by the serviceprovider with the SIM card. It may be a four to eight-digitnumber and can be changed, as required.Glossary94070628_C150_EN(00)ºˆ¡§.indd 94 2007.6.28 4:54:40 PM