
Over this last year, a number of my colleagues and I have been engaged in on-the-ground pilots proving that the combination of wireless networks (WiFi, WiMax, new generation IP-based satellite services) and Voice over Internet Protocol (VOIP) can cost-effectively reach low-income, rural and even remote locations. This brings the potential of the Internet telecommunications revolution to the billions who have been left behind. Details of this work can be found in a collection of my working papers (pdf).
The experience has been real and tangible. I personally have stood in a remote post office in northern Vietnam and, with a WiFi phone, made a VOIP phone call to my wife in Sunriver, OR. Months earlier I experienced a similar situation on the receiving side—a colleague in Mongolia called me in Sunriver. Not only is this now technologically possible, but it is also economically feasible, enabling sustainable solutions that fully integrate with existing public switched telephone networks (PSTNs) and mobile phone networks.
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