transmit

and receive just outside GSM’s core 900 frequency

band. This extension gives increased network capability.

ETSI

European Telecommunications Standards Institute.

www.etsi.org

GGSN

Gateway GPRS Support Node

LAN

Local Area Network.

ME

Mobile Equipment.

MO

Mobile Origination. For example, an SMS message sent from a mobile terminal.

MMI

Man-Machine Interface.

MS

Mobile Station.

MT

Mobile Termination.

PC

Personal Computer.

PCS

Personal Communications Services, often used to describe GSM1900 networks.

PC Card

A card having physical and electrical characteristics specified by PCMCIA providing extra functionality when inserted into a laptop PC. Typical examples are modems and network cards. Type refers to the thickness of the card. The GC75 is type II.

PCMCIA

Personal Computer Memory Card International Association – defines specifications for PC Cards.

HyperText Transfer Protocol.

ISDN

Integrated Services Digital Network. Can provide circuit-switched data connections in multiples

of 64 kbps.

ISP

Internet Service Provider.

kbps

Kilobits per second - rate of data flow

PSTN

Public Switched Telephone Network, for example ordinary analogue phone line for speech and/or computer modem.

RADIUS

Remote Access Dial-In Service. Facility at the ISP or corporation to manage remote data connections.

RX

Receive SC Service Centre (for SMS).

Service Provider

A company that provides services and subscriptions to GC75 users.

SIM card

Subscriber Identity Module card – a card that must be inserted in any GSM-based mobile terminal. It contains subscriber details, security information and memory for a personal directory of numbers. The card can be a small

plug-in type or credit card-sized, but both types have the same functions. The GC75 uses the small plug-in card.

SMS

Short Message Service. Allows messages

of up to 160 characters to be sent and received via the network operator's message centre to a GC75.

TCP/IP

Transmission Control Protocol/Internet Protocol.

TCP/IPv4

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Sony Ericsson GC75 manual PC Card, Kbps, SIM card, TCP/IPv4