Nokia starts tests of Wi-Fi Internet mobile calls | Reuters.com
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.

As VoIP becomes more & more well know to Joe Public it’s good to see that Nokia move forward with perhaps the most useful implementation, if the system can work bi-directionally, i.e. if you are within Wi-Fi range and incoming calls route over said connection than this can only have good implications for signal/call quality as well as cost savings for out going calls.

Wojtek Felendzer held a mobile phone to his ear as he walked across the room, the call automatically switching behind the scenes from a Wi-Fi wireless hotspot to the regular cellular network

Check out this article, found via slashdot bring on the Mobile VoIP goodness !

What’s really cool about this article as it describes a working implementation…

works by tunneling cellular information packets through the Internet when Wi-Fi is available and reverting to cellular towers when it is not.

This is the first implementation I’ve seen aimed at consumers, not businesses, no “call manager” needed, just cheap calls !