As far as knowing what VoIP really is, it would be best to go to the basics to discover what it really is. We all know it is the modern way of communication but still the same, it would be best to define what it really is.
VoIP stand for Voice-over-Internet protocol. At a very basic level it is the idea of using a data network to transfer voice between two points. Although voip has become a buzz word in recent years has it origins as far back as the early 1970s. The pioneering work of Danny Cohen at the University of Southern California first tested the Network Voice Protocol (NVP) in December 1973.