White paper
Sony Ericsson P1
80
May 2007
FCC
Federal Communications Commission. US
government agency which regulates radio
communications.
FR
Full Rate, speech coding.
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 of
roll-out for the GSM system and GSM phones are
either phase 1 or phase 2 compliant.
GSM 1810
Also known as DCS 1810 or PCN, this is a GSM
digital network working on a frequency of 1810
MHz. It is used in Europe and Asia-Pacific.
GSM 1900
Also known as PCS. Refers to a GSM system
running in the 1900MHz band. Used in the USA
and Canada, for instance.
HR
Half Rate, speech coding.
HSCSD
High Speed Circuit Switched Data.
HTML
HyperText Markup Language.
HTTP
HyperText Transfer Protocol.
IMAP4
Internet Message Access Protocol version 4. Used
to collect email from a mail server. Has more
features than POP3.
iMelody
A format for monophonic ringtones.
IrDA
Infrared Data Association.
ISDN
Integrated Services Digital Network. Can provide
circuit-switched data connections in multiples of
64 Kbps.
ISP
Internet Service Provider.
J2ME™
Java2™ Micro Edition – an edition of the Sun
Microsystems Java programming/runtime
environment specifying two runtime environment
'configurations' aimed at small devices.
Java™ Phone
An API in Java™ used for interacting with a phone.
JFIF
JPEG File Interchange Format
