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.

Incredible PBX Applications

In addition to FREE US/Canada PSTN calls and FREE worldwide SIP and Skype calling for individuals, Incredible PBX also includes dozens of FREE applications. This video will show you how to use a dozen of them within minutes. Incredible PBX can be dow...

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