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	UMA Today Magazine Universal Mobile Access: UMA Expands Beyond Dual-Mode Handsets The Case for UMA-Enabled Femtocells UMA and IMS in Fixed-Mobile Convergence The Role of UMA in Mobile Network Evolution UMA vs VCC The Dual-Mode Handset Opportunity UMA Today Website Register for Updates

The UMA effort was initiated in January 2004 by 14 leading operators and vendors in the wireless industry. The goal was to develop and publish an open set of technical specifications for extending mobile voice, data and IMS services over broadband IP and Wi-Fi access networks, and subsequently encourage the specifications to be adopted by a formal global standards organization.

The participating companies published the initial UMA Technology specifications on Sept. 2, 2004, and contributed them to the 3GPP for consideration as a formal global standard. On April 8, 2005, the specifications were officially incorporated into 3GPP Release 6, making UMA the true global standard for mobile/Wi-Fi convergence. The UMA effort has been a tremendous success, having developed a new global communications standard in a period of less than 15 months.

By providing a standard, scalable, and secure IP interface into core mobile service networks, UMA enables a number of compelling new fixed-mobile convergence (FMC) services designed to accelerate fixed-to-mobile substitution as well as address in the increasing threat from VoIP services.

UMA-enabled Dual-Mode Wi-Fi Handsets: UMA-enabled dual-mode cellular/Wi-Fi handsets (DMH) enable mobile operators to provide high-performance, low-cost mobile handset service to subscribers when in range of a home, office or public Wi-Fi network. With a UMA-enabled DMH, subscribers can automatically roam and handover between cellular and Wi-Fi access, receiving a consistent set of services as they transition between networks. Read More (pdf) >>

UMA-enabled Femtocells: While the rollout of 3G/UMTS networks is progressing, many subscribers experience poor 3G/UMTS coverage while at home. UMA-enabled Femtocells enable mobile operators to leverage existing broadband access connections to provide dedicated, high-performance 3G/UMTS coverage within subscriber homes. Read More (pdf) >>

UMA-enabled Terminal Adaptors: UMA-enabled terminal adaptors enable mobile operators to deliver standard analog telephone service over broadband access networks and participate in the rapidly growing broadband telephony market. As far as subscribers are concerned, the service behaves as a standard fixed telephone line and is delivered in a manner similar to other fixed line VoIP services, where a simple device (in this case the UMA-enabled terminal adaptor) is connected to the subscriber's existing broadband service. Read More (pdf) >>

UMA-enabled Softmobiles: Connecting laptops to broadband access at hotels and Wi-Fi hot spots has become a standard part of everyday life for business travelers. With a UMA-enabled SoftMobile service, subscribers can now leverage their laptop and broadband connection for making low-cost telephone calls. To use a UMA-enabled SoftMobile service, a subscriber need simply place a USB memory stick with an embedded SIM into a USB port on their laptop. The UMA-enabled SoftMobile client automatically launches and connect over IP to the home mobile operator. From that point on, the subscriber would be able to make and receive mobile calls as if he or she was in their home calling area.
Read More (pdf) >>