Internet Protocol is the most essential part of
low rate VoIP technology. Moreover this protocol is used for transferring fax, voice, SMS, as well as messaging applications delivered over the cyberspace. The data is converted into packets and then transferred over the Internet, hence waiving toll charges. That`s why VoIP calls are much cheaper as compared with those over PSTN. With ongoing upgrades and technical innovations in this sphere quality of
VoIP can be comparable with landline phone system.
For ensuring call duration the PSTN system sets an isolated channel between two points. Copper wires carry analog voice signal through isolated circuits. When it comes to
low cost VoIP, then packet-switched telephony come is put in the forefront. This system enables data packets to travel over the Internet and finds the recipient. Then packets are assembled and converted to voice, and the recipient is able to understand what you are talking about. VoIP system can be integrated in the tradition PSTN system.
