VoIP Bible

A telephone exchange, telephone switch, or central office is the telecommunications system in the PSTN or in big business. It interconnects digital system telephone subscriber lines or virtual circuits to make...

The future of business communications is Voice over Internet Protocol (VoIP). A VoIP or IP phone depends on VoIP technology, rather than a physical phone line, to deliver calls through the Internet...

Telecommunications is the transmission by cable, radio, optical, or other electromagnetic systems of different forms of technology. It originates from people's want to communicate more than with human speech but in a...

The public switched telephone network (PSTN) offers public telecommunications infrastructure and services. The PSTN is the global network of circuit-switched telephone networks, which is run by national, regional, or local telephony...

The Internet Protocol (IP) is the primary communications protocol in the Internet protocol family for transporting datagrams across network borders. Its routing function enables internetworking and, in essence, establishes the Internet.  IP...

Voice over Internet Protocol (VoIP), often known as IP telephony, is a method and set of technologies that allows voice conversations and multimedia sessions to be delivered via Internet Protocol (IP)...