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EMS (Enhanced Message Service)
Network service sending and receiving messages
that include images, sounds and animations to and
from another user without having to speak to the
correspondent.
GPRS (General Packet Radio Service)
New non-voice value-added service that allows
information to be sent and received across a mobile
telephone network. GPRS guaranties continuous
connection to the Internet for mobile phone and
computer users. It is based on the Global System
for Mobile Communication (GSM) circuit-switched
cellular phone connections and the Short Message
Service (SMS).
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.
IrDA (Infrared Data Association)
A standard defined by the IrDA consortium. It
specifies a way to wirelessly transfer data via
infrared radiation. The IrDA specifications include
standards for both the physical devices and the
protocols they use to communicate with each other.
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