This is the perfect guide if VoIP engineering is not your specialty. It is the perfect introduction to VoIP security, covering exploit tools and how they can be used against VoIP (Voice over IP) systems. It gives the basics of attack methodologies used against the SIP and H.323 protocols as well as VoIP network infrastructure.
* VoIP Isnt Just Another Data Protocol
IP telephony uses the Internet architecture, similar to any other data application. However, from a security administrators point of view, VoIP is different. Understand why.
* What Functionality Is Gained, Degraded, or Enhanced on a VoIP Network?
Find out the issues associated with quality of service, emergency 911 service, and the major benefits of VoIP.
* The Security Considerations of Voice Messaging
Learn about the types of security attacks you need to protect against within your voice messaging system..



All links are interchangable. It mean you can download any part of archive from any server and can extract it without problem! PM me if links are dead, I will try to re-upload the file if I can!
Have fun to all !!!