With computer VoIP services like Skype and Vonage continuing to build consumer base, Truphone is a new London-based start-up going a slightly different route - bringing the same technology to cell phones to enable free or inexpensive calls on the go.
The technology behind Truphone, which is currently only available for select Nokia handsets, is based on the idea that that calls are routed through the Internet instead the more costly networks of mobile carriers. It can be used anywhere where a strong Wi-Fi signal is present, Truphone writes.
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