Cellular provider T-Mobile began trials of a new UMA service last week. Customers were equipped with routers and a compatible dual mode Wi-Fi/GSM phone enabling Wifi access from home as well as hotspots. It may also cut costs for the consumer. Calls made from dual-mode phones are routed over the Internet at lower cost. This can also free-up network capacity allowing for more wireless services. T-Mobile, the 4th largest cell provider, and its competitors are facing slow growth with 80% market saturation. New services are the only way to retain market share and stimulate growth. The FCC spectrum auction is also allowing T-Mobile the opportunity to re-position itself, it currently leads all bidders with over $1.5 billion on 41 provisional winning bids.

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