Terminology And Abbreviations - Sony Ericsson Z520a 95673024644 Z520 White Paper

Terminology and abbreviations

3GPP
3rd Generation Partnership Project
AAC
Advanced Audio Coding
ACELP
Algebraic Code Excited Linear Prediction
AMR
Adaptive Multi Rate.
Audio format for speech sounds.
API
Application Programming Interface
ARPU
Average Revenue Per User
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
The period from the first access of content until the
termination of the connection.
CLI
Calling Line Identification shows the number of the
caller, or a picture assigned to the number of the
caller in the mobile phone display. Not all numbers
can be displayed. Network-dependent service.
Card
A single WML unit of navigation and user interface.
May contain information to present to the user,
instructions for gathering user input, etc.
CDDA
Compact disc digital audio.
CDMA
Code Division Multiple Access. A generic term that
describes a wireless air interface based on code
division multiple access technology.
Cell-ID
Cell identification
CS
Circuit Switched
CSD
Circuit Switched Data
CSS
Cascading Style Sheet
Deck
A collection of WML cards.
DRM
Digital Rights Management; controlling copying
and distribution of contents, with respect to intel-
lectual property rights.
DTMF or Touch Tone
Dual Tone Multi-Frequency signal – codes sent as
tone signals. Used for telephone banking, access-
ing an answering machine, etc.
e-GSM
Extended GSM. New frequencies specified by the
European Radio Communications Committee
(ERC) for GSM use when additional spectrum is
needed (Network-dependent). It allows operators
to transmit and receive just outside GSM's core
900 frequency band. This extension gives
increased network capability.
EFR
Enhanced Full Rate, speech coding.
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White Paper Z520
June 2005