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P800/P802
White Paper, January 2003
117
TLS
Transport Layer Security. Used by Web
browsers, for example.
Tx
Transmit
UI
User Interface. Sometimes called ‘Man-Machine
Interface’.
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, PIMs /PDAs, pagers, fax, office
equipment, and smart cards. vCard is specified
by IETF.
VGA
Video Graphics Array. Graphics standard
introduced by IBM, having a resolution of 640 x
480 pixels.
VPN
Virtual Private Network.
WAP
Wireless Application Protocol. Handheld devices,
low bandwidth, binary coded, a deck/card
metaphor to specify a service. A card is typically
a unit of interaction with the user, that is, either
presentation of information or request for
information from the user. A collection of cards is
called a deck, which usually constitutes a service.
WAV
Waveform audio. Format for storing sound.
WBMP
Wireless BitMap. Part of the WAP specifications,
an image format optimised for small mobile
devices.
WBXML
Wireless Binary Extensible Markup Language.
WIM
Wireless Identity Module.
WML
Wireless Markup Language. A markup language
used for authoring services, fulfilling the same
purpose as HyperText Markup Language (HTML)
does on the World Wide Web (WWW). In contrast
to HTML, WML is designed to fit small handheld
devices.
WTLS
Wireless Transport Layer Security. Part of WAP,
WTLS provides privacy, data integrity and
authentication on transport layer level between
two applications.
WWW
World Wide Web.
xHTML
Extensible Hypertext Markup Language
XML
Extensible Markup Language