What is Voice over Internet Protocol (VoIP)? Is a family of transmission technologies for delivery of voice communications over IP networks such as the Internet or other packet-switched networks.

Wor(l)d Communicate: SoftSim (VoIP) & iSim (GSM).avi

You want to know the Global Mobile Communication of Wor(l)d Communicate's! With the SoftSim, a free app compatible with the main existing mobile platforms (iOS, Android, Symbian, Blackberry and others), you'll make VoIP calls at no cost or minimum an...

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