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3GPP 3rd Generation Partnership Project.
API Application Programming Interface.
Bearer The method for accessing WAP from the phone, for example GSM
Data (CSD) and SMS.
Bookmark A URL and header/title stored in the phone.
Browsing session From the first access of content until the termination of the connection.
Calling Line
Identification (CLI) Shows the number of the person calling you in your mobile phone dis-
play. You can then make an informed choice as to whether or not to
take the call. Bear in mind that not all numbers can be displayed. To
use this service, it must be supported by your network.
Card A single WML unit of navigation and user interface. May contain informa-
tion to present to the user, instructions for gathering user input, etc.
CGI Common Gateway Interface.
CS Circuit Switched.
CSD Circuit Switched Data.
Deck A collection of WML cards.
DTMF or Touch Tone Dual Tone Multi-Frequency signal – codes sent as tone signals. Used
for telephone banking, accessing an answering machine, etc.
e-GSM Extended GSM, e-GSM, are new frequencies specified by the Euro-
pean Radio communications Committee (ERC) for GSM use when
additional spectrum is needed (Network-dependent). It allows opera-
tors to transmit and receive just outside GSM’s core 900 frequency
band. This extension gives increased network capability, which favours
both the user and the operators.
EFR Enhanced Full Rate, speech coding.
EMS Enhanced Messaging Service, an enhancement of the SMS standard.
This makes it possible to include pictures, melodies, sounds and ani-
mations in messages, and also to receive and edit new pictures and
melodies on the phone.
ETSI European Telecommunications Standards Institute.
FR Full Rate, speech coding.
Gateway A WAP Gateway typically includes the following functions:
- A Protocol Gateway – the protocol gateway translates requests from
the WAP protocol stack to the WWW protocol stack (HTTP and TCP/
IP).
- Content Encoders and Decoders – the content encoders translate Web
content into compact encoded formats to reduce the size and number of
packets traveling over the wireless data network.
GIF Graphics Interchange Format.
GSM Global System for Mobile Communications. GSM is the world’s most
widely-used digital mobile phone system, now operating in over 100
countries around the world, particularly in Europe and Asia-Pacific.
GSM 900 The GSM systems family includes GSM 900, GSM 1800 and GSM
1900. There are different phases of roll-out for the GSM system and