Books by John R. Vacca — EbookNetworking.net

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Which mobile telephone service is right for you? Coverage, minutes, technology, and prices--here's how to make sense of it all.(Mobile Service): An article from: Mobile Business Advisor
John R. Vacca
5.95
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Wi-Fi phones: a reality? The ability for your mobile phone to seamlessly roam between cellular networks and Wi-Fi networks is on the horizon, but ... An article from: Mobile Business Advisor
John R. Vacca
5.95
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The push-to-talk (r)evolution: carriers are rushing to implement this walkie-talkie-like feature--and piling on new business features in the ... An article from: Mobile Business Advisor
John R. Vacca
5.95
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