Contents
Part I Introduction to Cisco IP Telephony Security
Chapter 1 What Is IP Telephony Security and Why Do You Need It?
Defining IP Telephony Security
What Is IP Telephony Security?
What Is the Rationale Behind Securing an IP Telephony Network?
What Can You Do to Safeguard Your IP Telephony Network?
How Do Hackers Attack an IP Telephony Network?
What Are IP Telephony Security Threats and Countermeasures?
An Insight to VoIP Security Tools
IP Telephony Security/Penetration Tools
Scanning and Enumeration Tools
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