Understanding the VoIP mechanism- Tej Kohli

VoIP can be rightly said as the most revolutionary invention of the 21st century. Tej Kohli talks about this latest talk of the town that offers enormous benefits to its users. On this Tej Kohli blog, he explains how this technology works:

VoIP is an acronym for Voice over internet protocol. A VoIP system incorporate characteristics like caller identification service, call routing, auto-redial and three-way conferencing. Though there exist a few additional customizable features as well, but the choice is purely rooted in your business needs. An ideal VoIP system shall trim down your monthly telephone bills by 50% or so.
The backbone of VoIP telephony is packet switching protocols. In contrast to PSTN lines, which make use of circuit switching, VoIP telephony transform analog messages into digital signals and further divide it into packets. Here each packet is separately transmitted over internet and forms the original message on reaching the ultimate destination. However if the receiver is using a PSTN connection, these digital packets are transmitted via local switching stations.
Voice over internet protocol (VoIP) is highly cost effective and drastically cuts down heavy international call bills. Even if the receiver is using PSTN connection at an international location, the call remains on the web till the time it doesn’t reach a switching station in the concerned country. In this manner, a Voice over IP telephony system can tranform a long distance international calls a local one.
Pertaining to such lucrative benefits VoIP is revered worldwide as the next big thing in business communications industry. In fact, with VoIP technology at hand businesses are allowing their customers to call them for free. Perhaps it is with the advent of Voice over Internet Protocol (VoIP) telephony that more and more companies are offering anytime anywhere toll-free numbers to comfort their customers. It also gives the flexibility to allocate a local toll free numbers in any number of cities. VoIP do all this and much more, that too at reasonably low overheads.