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.

What Is An IP PBX | Commercial Telephone Systems

virtualcommllc.com Telecommunications Vendor describes what is an IP PBX for businesses in a little more depth. Also known as Internet Protocol Private Branch Exchange, these communications servers allow the integration of one network. Typically voic...

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