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February 10, 2006


Philips Semiconductors
said yesterday that the Unlicensed Mobile Access (UMA)-enabled phones will soon become available in the U.S. market from a major operator.

Kineto makes the UMA Network Controllers for the network, as well as UMA client software for the handsets. UMA allows seamless handoff from WiFi to cellular networks. The new version of Unlicenced Mobile Access (UMA) software, also has backing from Cisco.



Cingular or T-Mobile
, for example, might allow seamless roaming using a dual mode (WiFi/Cellular) UMA phone. Users might get both voice and data from a WiFi office environment or Starbucks inside a building, then roam seamlessly to cellular service outside the building.

UMA has been criticised for converging the fixed and mobile worlds under the control and billing of the mobile operator, in contrast to rival approaches based on SIP which use the Internet for routing.

Philips would not identify their carrier partner. But the Samsung T709 that PC World saw at CES showed options to connect to T-Mobile Hotspots as well as home networks. T-Mobile is leveraging its Wi-Fi network as a competitor to other carriers' 3G high-speed cellular systems.

UMA technology was developed to provide access to GSM and GPRS mobile services over unlicensed spectrum technologies, including Bluetooth and 802.11. It enables subscribers with dual-mode UMA handsets to roam between cellular networks and unlicensed wireless networks. A UMA Network Controller acts as a virtual base station, providing handoff between cellular and Wi-Fi networks.

Industry analysts have wondered whether wireless carriers would be willing to subsidize dual-mode UMA handsets, and how the billing will be handled. Philips’ Kaat, however, stressed: “You can’t stop it [UMA] from happening. Consumers are driven by lower cost phone bills.”

In related news at the 3GSM World Congress, Ubiquity Software, the leading provider of SIP software solutions, today announced that it is working with Microsoft and Pronexus to demonstrate new mobile service capabilities.

The Ubiquity SIP Application Server platform interoperates with Microsoft Connected Services Framework to enable mobile and wireline providers to quickly deploy innovative services that combine the power of rich multimedia, web services and natural speech technology. Ubiquity's Voice Plus is a carrier-grade, voice over IP solution for Internet-based service providers. It is moving into lab trials with AT&T as part of a three-year agreement. One SIP application that Light Reading mentions would allow two or more cell phone users to listen to MP3s and talk about the music in real time.




Originally posted by samc from Daily Wireless, remediated by yatta on Feb 10, 2006 at 05:09 PM