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custom menus for personalized services, for instance to assist operators in providing mobile commerce applications.

SMIL

Synchronized Multimedia Integration Language. Used by MMS to describe how media items are to be played.

SMS

Short Message Service. Allows messages of up to 160 characters to be sent and received via the network operator's message center to a mobile phone.

SMTP

Simple Mail Transfer Protocol. Protocol used to send email from an email client via an SMTP server.

SWIM

A SWIM card is a SIM card containing a WIM.

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, phones, 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 *79*1234# 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, voicemail, Web browsers, phone applications,

195 Terms and definitions