Glossary172EMS (Enhanced Message Service)An adaptation of the Short Message Service (SMS)that allows you to send and receive ring tones andthe service provider’s logo, as well as combinationsof simple media to and from EMS-complianthandsets. Because EMS is based on SMS, it can useSMS centres the same way that SMS does. EMSworks on all Global System for Mobilecommunications (GSM) networks. EMS senders canuse text, melodies, photos, sounds, and animationsto enhance the expressive power of messages thatare limited by the display constraints of mobiledevices.GPRS (General Packet Radio Service)New non-voice value-added service that allowsinformation to be sent and received across a mobiletelephone network. GPRS provides continuousconnection to the Internet for mobile phone andcomputer users. It is based on the Global Systemfor Mobile Communication (GSM) circuit-switchedcellular phone connections and the Short MessageService (SMS).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.
