T68i
White Paper, April 2002
43
Gateway
A WAP Gateway typically includes the following
functions:
• A ProtocolGateway – the protocol gate-
way translates requests from the WAP
protocolstack to the WWW protocol stack
(HTTP and TCP/IP).
• Content Encodersand Decoders – the
content encoderstranslate Web content
into compactencoded formats to reduce
the size andnumber of packets travelling
over the wireless data network.
GIF
GraphicsInterchange Format.
GPRS
General PacketRadio Services.
GSM
Global System for Mobile Communic ations.
GSMistheworld’smostwidely-useddigital
mobile phone system, now operating in over 100
countriesaround the world, particularly inEurope
and Asia-Pacific.
GSM 900
The GSM system family includes GSM 900, GSM
1800 and GSM 1900. There are different phases
of roll-outfor the GSM system and GSM phones
areeitherphase1orphase2compliant.
GSM 1800
Also known as DCS 1800 or PCN, this is a digital
network working on a frequency of 1800 MHz. It
is used in Europeand Asia-Pacific.
HDML
Handheld Device Markup Language.
HDTP
Handheld Device Transport Protocol.
HR
Half Rate, speech coding.
HSCSD
High Speed CircuitSwitched Data.
HTML
HyperTextMarkup Language.
HTTP
HyperTextTransfer Protocol.
Image
WBMP or GIF image containedin a Card.
IrMC
InfraredMobile Communications standard.
IrDA
InfraredData Association.
ISP
Internet Service Provider.
ITTP
IntelligentTerminal Transfer Protocol.
LED
Light Emitting Diode.
LAN
Local AreaNetwork.
ME
Mobile Equipment.
Microbrowser
Accesses anddisplays Internet content in a
mobile phone,using small file sizes and the
bandwidth of the wireless-handheld network.
MMI
Man-MachineInterface.
MS
Mobile Station.
MT
Mobile Termination.
OTA
Over-theAir Configuration. To provide settings
for the phoneby way of sending an SMS
message over the network to the phone. This
reduces the need for the user to configure the
phone manually.
PDA
Personal DigitalAssistant.
PDP
Packet Data Protocol.
Phone book
A memoryin the mobile phone or SIM card
where phone numbers can be stored and
accessed by name or position.