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White paper G900c
83 August 2008
QCIF
Quarter Common Intermediate Format. A video
format size of 176 x 144 lines.
QQVGA
Quarter Quarter VGA, 160 x 120 pixels.
QVGA
Quarter VGA size, typically refers to a portrait
oriented screen 240 pixels wide x 320 pixels high.
RMF
Rich Music Format
TM
. A file format developed by
Beatnik combining the compact size of MIDI files
with the high quality of MP3 and WAV.
Rx
In telecommunications, Rx is the abbreviation for
‘receive’. Tx is the abbreviation for ‘transmission’
or ‘transmit’.
SC
Service Centre (for SMS).
SDK
Software Development Kit. An SDK (or ‘devkit’) is
typically a set of development tools that allows a
software engineer to create applications for a
certain software package, hardware platform,
operating system, or similar.
SIM card
Subscriber Identity Module card – a card that must
be inserted in any GSM-based mobile terminal. It
contains subscriber details, security information
and memory for a personal directory of numbers.
The card can be a small plug-in type or credit card-
sized, but both types have the same functions.
G900c uses the small plug-in card.
SIM-AT
SIM Application Toolkit. A means of providing
simple applications that are stored on the SIM
card.
SMS
Short Message Service. Allows messages of up to
160 characters to be sent and received via the
network Operator's message centre to a mobile
phone.
SMSCB
SMS Cell Broadcast.
SMTP
Simple Mail Transfer Protocol. Protocol used to
send email from an email client via an SMTP server.
SIR IrDA
Standard IrDA, up to 115 kbps IrDA.
SS
Supplementary Service.
T9
T9, which stands for Text on 9 keys, is a patented
predictive text technology for mobile phones,
developed by Tegic Communications. T9's
objective is to make it easier to type text messages
by allowing words to be entered by a single key
press for each letter.
TCP/IP
Transmission Control Protocol/Internet Protocol.
TLS
Transport Layer Security. As used by Web
browsers.
Tx
In telecommunications, Tx is the abbreviation for
‘transmission’ or ‘transmit’. Rx is the abbreviation
for ‘receive’.
TTY (Teletypewriter)
A telecommunication device with a keyboard and a
visual display that is used primarily by people who
are deaf, hard of hearing, or have a speech
disability.