Nokia 3G 0800 015 0286 manual Usim, US-TDMA/1S, Utran, Voip, W3C

U-W

USIM

Universal Subscriber Identity Module (Universal SIM). An upgrade of the SIM card (generally used under GSM) to enable use with IMT-2000.

US-TDMA/1S 36

A second generation system used in the US. Also referred to as D-AMPS (Digital AMPS). First digital system adopted in the US and covers the entire country.

UTRA

UMTS Terrestrial Radio Access. Often applied with identical meaning of WCDMA-DS.

UTRAN

UMTS Terrestrial Radio Access Network. UTRAN is a conceptual term identifying that part of the network which consists of Radio Network Controllers and Node Base stations.

VOIP

Voice over Internet Protocol. VolP is not simply for voice over IP, but is designed to accommodate two-way video conferencing and application sharing as well. Based on IP technology, VoIP is used to transfer a wide range of different type traffic.

W3C

World Wide Web Consortium. A sector-wide body which promotes standardisation of WWW technology. Major Internet related vendors are consortium members, and to date the body has standardised a range of crucial technologies including HTTP, HTML, XML, etc.

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