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SC
Service Centre (for SMS).
Service provider
A company that provides services and subscrip-
tions to mobile phone users.
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. Your
phone uses the small plug-in card.
SMS
Short Message Service. Allows messages of up to
160 characters to be sent and received via the net-
work operator's message centre to your mobile
phone. Messages are stored if the phone is off or
out of reach ensuring that they reach you. To use
this service, it must be supported by your network.
SS
Supplementary Services.
TCP/IP
Transmission Control Protocol/Internet Protocol.
TE
Terminal Equipment.
Triple band
GSM 900/1800/1900. Your phone is a triple band
phone, which means that you can use your phone
on the GSM 900, GSM 1800, and the GSM 1900
network.
URL
Uniform Resource Locator.
USSD
Unstructured Supplementary Services Data.
VAS
Value Added Service.
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.
WAP Application
A collection of WML cards, with the new context
attribute set in the entry card.
WAP service
A WML application residing on a web site.
WBMP
WAP Bitmap.
WBXML
Wireless Binary Extensible Markup Language.
WDP
Wireless Datagram Protocol.
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.
WMLScript
WMLScript can be used to enhance the functional-
ity of a service, just as, for example, JavaScript
may be utilized in HTML. It makes it possible to
add procedural logic and computational functions
to WAP-based services.
WSP
Wireless Session Protocol.
WTLS
Wireless Transport Layer Security.
WWW
World Wide Web.
XML
Extensible Markup Language.
51
Z200/Z208
White Paper
February 2004
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