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P800 Smartphone
White Paper, May 2002
79
QVGA
Quarter VGA size, typically refers to a portrait
oriented screen 240 pixels wide x 320 pixels high.
RADIUS
Remote Access Dial-In Service. Facility at the
ISP or corporation to manage remote data
connections.
PDA
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).
RAS
Remote Access Service.
Rx
Receive
SC
Service Centre (for SMS).
SDK
Software Development Kit
Service Provider
A company that provides services and
subscriptions to mobile phone users.
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. The P800 uses the small plug-in
card.
SIM-AT
SIM Application Toolkit – a means of providing
simple applications that are stored on the SIM
card.
SMIL
Synchronized Multimedia Integration Language.
Used by MMS to describe how media objects are
to be played.
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.
SMTP
Simple Mail Transfer Protocol. Protocol used to
send E-Mail from an E-Mail client via an SMTP
server.
SS
Supplementary Service
SWIM
A SWIM card is a SIM card containing a WIM
TCP/IP
Transmission Control Protocol/Internet Protocol.
TE
Terminal Equipment. Generic term for GSM
terminals such as phones and PC cards.
Terminal Adaptor
Generic 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.
TLS
Transport Layer Security. Used by Web
browsers, for example.
Tx
Transmit
URL
Uniform Resource Locator. Points to a service or
information on the internet, for example:
http://www.ericsson.com/mms/demo
USSD
Unstructured Supplementary Services Data.
Narrow-band GSM data service. For example
entering
*79*1234#
might return the stock price
for stock 1234.
V.110
ETSI standard for data over an ISDN circuit.
V.120
ETSI standard for data over an ISDN circuit.
vCal; vCalendar
vCalendar defines a transport and platform-
independent format for exchanging calendar and
scheduling information for use in PIMs/PDAs and
group schedulers. vCalendar is specified by
IETF.
vCard
vCard automates the exchange of personal
information typically found on a traditional
business card, for use in applications such as
internet
mail, voice mail, Web browsers, telephony
applications, call centres, video conferencing,