How Does IP Telephony Work?
IP telephony refers to the system of transmitting voice over a data network such as in broadband Internet connection. In comparison to the traditional analogue phone line, as an extension to the practical Internet applications, it presents a cheaper and more accessible option to communicating with people from any part of the world. With its call sound quality that is comparable and sometimes better that that observed in analogue telephone conversations, it presents a modern and improved system for call management having total flexibility in using and locating phone numbers. IP telephony, broadband telephony or Voice over Internet Protocol (VoIP) applications is operated over the Internet through packets of switched network. It introduces a system of voice transmission that carry telephony signals as digital audio, which reduces data, rate through speech data compression methods. It encapsulates the digital audio signals into the data packet stream over the IP. In sense, as a particular
