White Paper K310
45 February 2006
PNG
Portable Network Graphic
SI
Service Indication
SL
Service Loading
SIM card
Subscriber Identity Module card – a card that must
be inserted in any GSM-based mobile phone. 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.
SMS
Short Messaging Service. Allows messages of up
to 160 characters to be sent and received via the
network operator’s message centre to a mobile
phone.
SS
Supplementary Services
SSL
Secure Socket Layer
UI
User interface
URL
Uniform Resource Locator.
The global address of documents and other
resources on the World Wide Web.
USB mass storage
When connecting a PC to the phone, the phone’s
memory appears as a removable disk along with
other disks and drives in the PC. You can then
quickly and easily drag and drop items between
folders in the phone and the PC such as images,
documents, music and video.
USSD
Unstructured Supplementary Services Data. Nar-
row-band GSM data service.
vCard
vCard automates the exchange of personal infor-
mation typically found on a traditional business
card, for use in applications such as Internet mail,
voice mail, Web browsers, telephony applications,
call centers, conferences, PIMs /PDAs, pagers, fax,
office equipment, and smart cards. vCard is speci
-
fied by IETF.
VGA
Video Graphics Array. Graphics standard intro-
duced by IBM, having a resolution of 640x480 pix-
els.
WAP
Wireless Application Protocol. Handheld devices,
low bandwidth, binary coded, a deck/card meta
-
phor to specify a service. A card is typically a unit
of interaction with the user, that is, either presenta
-
tion of information or request for information from
the user. A collection of cards is called a deck,
which usually constitutes a service.
WBMP
Wireless BitMap.
A graphic format optimized for mobile computing
devices.
WML
Wireless Markup Language. A markup language
used for authoring services, fulfilling the same pur
-
pose as HyperText Markup Language (HTML) does
on the World Wide Web (WWW). In contrast to
HTML, WML is designed to fit small handheld
devices.
WSP
Wireless Session Protocol
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