Umts
Universal Mobile Telecommunications System (UMTS) is one of the third-generation (3G) mobile phone technologies. It uses W-CDMA as the underlying standard, is standardized by the 3GPP, and is the European answer to the ITU IMT-2000 requirements for 3G Cellular radio systems.
To differentiate UMTS from competing network technologies, UMTS is sometimes marketed as 3GSM, emphasizing the combination of the 3G nature of the technology and the GSM standard which it was designed to succeed.
Preface
This article discusses the technology, business, usage and other aspects encompassing and surrounding UMTS, the 3G successor to GSM which utilizes the W-CDMA air interface and GSM infrastructures. PianetaCellulare, cellulari, umts, mms, wap e gprs. Any issues relating strictly to the W-CDMA interface itself may be better described in the W-CDMA page.
Due to the rapid nature of UMTS development in the market place, some information on this page may become quickly outdated. Readers' discretion and additional independent research is strongly advised; you are encouraged to return and add updates to this page. Contributors are also advised to timestamp their contributions when appropriate in order to help readers to determine the age of the information. In December 2003, T-Mobile launched UMTS in Austria, and began trials in the UK
Also, in November 2005 the T-Mobile UMTS network in the Netherlands went.