Portable Network Graphics. PNG compresses images with millions of colours no loss of detail, but has comparatively large file size. It is not commonly used.
Polyphonic“Many sounds”. The maximum number of notes an instrument can play at the same time, commonly 16 in MIDI devices.
POP3Post Office Protocol. Used to collect
Public Switched Telephone Network, for example ordinary analogue phone line for speech and/or computer modem.
PTDPersonal Trusted Device. Concept in MeT
QCIFQuarter Common Intermediate Format. A video format size of 176 x 144 pixels.
QQVGAQuarter Quarter VGA, 160 x 120 pixels.
QVGAQuarter VGA size, typically refers to a portrait oriented screen 240 pixels wide x 320 pixels high.
RADIUSRemote Access
Personal Digital Assistant. A handheld computer having functions such as address book, calendar etc.
PNG
Portable Network Graphics. Format for storing images on file with data compression but without lowering of quality (loss of information).
RASRemote Access Service.
RMFRich Music FormatTM A file format developed by Beatnik combining the compact size of MIDI files with the high quality of MP3 and WAV.
Rx
Receive
SC
Service Centre (for SMS).
P800/P802
White Paper, January 2003
SDKSoftware Development Kit
Service ProviderA company that provides services and subscriptions to mobile phone users.
SIM cardSubscriber Identity Module card – a card that must be inserted in any
SIM Application Toolkit – a means of providing simple applications that are stored on the SIM card.
SMILSynchronized Multimedia Integration Language. Used by MMS to describe how media objects are to be played.
SMSShort 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.
SMSCBSMS Cell Broadcast.
SMTPSimple Mail Transfer Protocol. Protocol used to send
SS
Supplementary Service
SWIMA SWIM card is a SIM card containing a WIM
TCP/IPTransmission Control Protocol/Internet Protocol.
TE
Terminal Equipment. Generic term for GSM terminals such as phones and PC cards.
Terminal AdaptorGeneric term for the equipment terminating a digital comms line such as an ISDN2 line. The P800 is a Terminal Adaptor since it interfaces to GSM digital data services.
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