VoIP Basics

Part I:
Part I introduces you to the basics of VoIP. You get the rundown on essential terms and the general workings of the technology. This part describes the basics of IP telephony and how VoIP calls get packetized and carried over external networks. Access services and the lines they run on are defined. You find out how traditional telephony models can become cash cows for the carriers. TCP/IP, the number one network design model, is introduced as the underlying design for VoIP networks