The Internet is a worldwide network of computer networks. Computers can send messages to each other via the Internet (Email is the most familiar example). However, audio can also be digitized and passed between computers just like any other data type. This is possible using VOIP (Voice over Internet Protocol). That is, VOIP (Voice over Internet Protocol) is the ability to transfer voice over the Internet Protocol (IP) of TCP/IP protocol suite.
"VOIP", "IP Telephony", "Internet Telephony" are used interchangeably. It is also defined as the ability...