Silent Phone deploys the ZRTP peer-to-peer encryption protocol which is recognized as the leading standard for secure end-to-end communication in a Voice over Internet Protocol (VoIP) telephone call.

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One solution would be to tax mobiles and Voip like any other sort of phone call, but the committee has also suggested the more radical option of a general tax on telecommunications, with the advantage that it will cover any future technologies too, instead of forcing the law to play catch-up every few years.

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The dropped-call rates are slightly higher with VoIP, but not by much.

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Excluded are services that only let their customers call other people on the same voip network or that only let customers receive calls from normal phone numbers.

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Slowly, over a decade Skype has taken up a good portion of the global, especially transatlantic, call traffic, and is a leader in VoIP calling, though not a leader in quality.

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With roughly 1, 700 employees, Genband has developed dozens of VOIP-related products and services over the years, including "Call Grabber, " which allows a user to transfer a voice or video call from a land line to a mobile device or broadband-enabled TV.

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