Chapter 60

VoIP Security

Harsh Kupwade Patil1, Dan Wing2, and Thomas M. Chen3     1Southern Methodist University, Dallas, TX, United States     2Cisco Systems, San Jose, CA, United States     3Swansea University, Wales, United Kingdom

Abstract

The Internet has become an important medium for communication, and all kinds of media communications are carried on today's Internet. Telephony over the Internet has received a lot of attention in the last few years because it offers users advantages such as long distance toll bypass, interactive ecommerce, global online customer support, and much more. Due to the increased attention in Voice over Internet Protocol (VoIP), security in such networks has gained higher precedence. In this chapter, we review a ...

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