Skip to Main Content
Securing Cisco IP Telephony Networks
book

Securing Cisco IP Telephony Networks

by Akhil Behl
August 2012
Intermediate to advanced content levelIntermediate to advanced
696 pages
17h 26m
English
Cisco Press
Content preview from Securing Cisco IP Telephony Networks

Chapter 1. What Is IP Telephony Security and Why Do You Need It?

In last few decades, communication systems have evolved, and one such major evolution is in the field of telecommunications in which increasingly, there has been adoption of Internet Protocol-based communications or in other words, Internet Protocol Telephony. Internet Protocol Telephony (IP Telephony) leverages the power of a converged network that is, a network where data and voice can co-exist, thereby helping organizations to reduce the Total Cost of Ownership (TCO) and increase the Return On Investment (ROI).

IP Telephony is a real-time technology that virtually encompasses an organization’s communication channels and dependent lines of business and processes. This fact makes ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Authorized Self-Study Guide Cisco Voice over IP (CVoice)

Authorized Self-Study Guide Cisco Voice over IP (CVoice)

Kevin Wallace

Publisher Resources

ISBN: 9780132731096Purchase book