Voice Over IP (VoIP) phone lines now represent over 50% of all new phone line installations. Every one of these new VoIP phone lines and handsets must now be protected from malicious hackers because these devices now reside on the network and are accessible from the Internet just like any server or workstation. This book will cover a wide variety of the publicly available exploit tools and how they can be used specifically against VoIP (Voice over IP) Telephony systems. The book will cover the attack methodologies that are used against the SIP and H.323 protocols as well as VoIP network infrastructure. Significant emphasis will be placed on both attack and defense techniques. This book is designed to be very hands on and scenario intensive

Practical VoIP Security

Computers & Technology

Thomas Porter

Jan Kanclirz Jr

Brian Baskin

Certification

Syngress

The man walking beside a woman in senior leadership is called to a unique ministry. Often misunderstood, he walks a special path, with a an anointing not well accepted by many. Yet this is a call of God and we need to look at this man's ministry, to understand the impact on the body of Christ that it has.

The Pastor's Husband

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Books by Thomas Porter