User's Manual Part 2

Terms and definitions 185
Preliminary
SyncML
SyncML is a universal protocol for data synchronization,
developed by the SyncML initiative Ltd.
TCP/IP
Transmission Control Protocol/Internet Protocol. TCP/IP is the
basic communication language or protocol of the Internet. It can
also be used as a communications protocol in a private network
(either an intranet or an extranet).
TLS
Transport Layer Security. Used by Web browsers, for example.
URL
Uniform Resource Locator. Points to a service or information on
the internet, for example: http://www.sonyericsson.com
USB
Universal Serial Bus. A plug-and-play interface between a
computer and add-on devices (such as audio players, joysticks,
keyboards, telephones, scanners, and printers). With USB, a
new device can be added to your computer without having to
add an adapter card or even having to turn the computer off.
USSD
Unstructured Supplementary Services Data. Narrow-band GSM
data service. For example entering M79M1234# might return
the stock price for stock 1234.
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. A private network that is configured
within a public network. A VPN appear as private national or
international network to the customer, but physically shares a
backbone trunk with other customers. VPNs enjoy the security
of a private network via access control and encryption, while
taking advantage of the economies of scale and built-in
management facilities of large public networks. Today, there is
tremendous interest in VPNs over the Internet, especially due to
the constant threat of hacker attacks.
P800_UM.book Page 185 Wednesday, August 28, 2002 4:19 PM