Nokia starts tests of Wi-Fi Internet mobile calls

Nokia, the world’s largest cellphone maker, has started its first tests of a technology that allows users to roam seamlessly between phone networks and local wireless hotspots such as Wi-Fi.

Fifty families in Oulu near the polar circle in northern Finland will test the technology over the next two months, Nokia said on Thursday.

Mobile subscribers with handsets enabled for so-called unlicensed mobile access, or UMA, can make calls over the Internet when they are in range of an unlicensed wireless network such as Bluetooth or Wi-Fi.

When they move out of range, the connection will automatically revert to a GSM, GPRS or UMTS mobile phone network.

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