Chapter 1. Introduction
This chapter introduces the reader to the Internet Protocol (IP), voice over IP (VoIP), packetized voice, and internet telephony. The chapter includes several sections. The first section explains why VoIP is of such keen interest to the industry. The next section explains the prevalent configurations for VoIP. The third section provides a brief introduction to the basic terms and concepts associated with IP-based packet networks, such as the Internet and internets. Following this overview, several key factors for the support of packetized voice in an internet are evaluated.
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