Sony Ericsson P900 White Paper page 112

CS
Circuit Switched. Connection from A to B which
has a fixed bandwidth and is maintained over a
period of time, for example a voice telephone call.
CS-1 to CS-4
Coding Scheme. Determines the data rate per
timeslot in GPRS.
CSD
Circuit Switched Data. CSD is a GSM service
providing a CS data connection at a rate of 9.6 or
14.4 Kbps.
CSP
Customer Service Profile. on a SIM card will
determine which menus on the phone are
available to the user.
CSS
Cascading Style Sheet. A feature of browsers.
DCIM
Digital Camera IMages. The name of the root
directory when storing images according to the
Design rule for Camera File system (DCF)
standard.
DRM
Digital Rights Management. DRM allows content
providers to control access to their resources
through the secure delivery of media to mobile
phones and other consumer appliances.
DTMF
Dual Tone Multi Frequency. A method of coding
digits as a combination of two audible tones.
DUN
Dial-Up Networking.
ECML
Electronic Commerce Modelling Language.
EFR
Enhanced Full Rate, speech coding. Provides
better speech quality than HR or FR.
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
900MHz frequency band. This extension gives
increased network capability.
EMS
Enhanced Messaging Service. An extension of
SMS enabling pictures, animations, sound and
text formatting to be added to text messages.
3GPP has included EMS in the standards for
SMS.
ETSI
European Telecommunications Standards
Institute. www.etsi.org
FC, FC mode
Flip Closed – used in this document to refer to
the P900 with the flip closed.
FCC
Federal Communications Commission. US
government agency which regulates radio
communications.
FR
Full Rate, speech coding.
FO, FO mode
Flip Open. Used in this document to refer to the
P900 when the flip is open.
GGSN
Gateway GPRS Support Node
GIF
Graphics Interchange Format. Format for storing
images which also supports animated images.
Highly compressed by limiting the colour palette
to 16 or 256 colours.
G-MIDI
General MIDI. Specifies a minimum level of
performance compatibility.
GPRS
General Packet Radio Services.
GSM
Global System for Mobile Communications. GSM
is the world's most widely-used digital mobile
phone system, now operating in over 160
countries around the world.
GSM 900
The GSM system family includes GSM 900, GSM
1810 and GSM 1900. There are different phases
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