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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