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White Paper K700
55 February 2004
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.
ARP
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
intellectual property rights.
DTMF or Touch Tone
Dual Tone Multi-Frequency signal – codes sent as
tone signals. Used for telephone banking,
accessing an answering machine, etc.
Dual band
GSM 900/1800.
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.
EMS
Enhanced Messaging Service. Allows the user to
add simple pixel pictures and animations, sounds
and melodies to a text message. The EMS 3GPP
standard also includes text formatting.
ETSI
European Telecommunications Standards Institute.