TERMINOLOGY AND ABBREVIATIONS

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

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Sony Ericsson T20e manual Terminology and Abbreviations