White paper
S312
47
September 2009
USSD
Unstructured Supplementary Services Data.
Narrow-band GSM data service.
vCard
vCard automates the exchange of personal
information typically found on a traditional business
card, for use in applications such as Internet mail,
Voicemail, Web browsers, telephony applications,
call centers, conferences, 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 640x480
pixels.
VHF
Very High Frequency. A band of radio frequencies
falling between 30 and 300 MHz.
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 File
WBMP
Wireless BitMap. A graphic format optimised for
mobile computing devices.
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.
WSP
Wireless Session Protocol
XHTML
Extensible HyperText Markup Language
