Now, after getting a clear understanding of the major protocols that play a vital role in VoIP, it is time to learn how to penetrate the VoIP infrastructure. Like any other penetration testing, to exploit the VoIP infrastructure, we need to follow a strategic operation based on a number of steps.
Before attacking any infrastructure, we've learned that we need to perform footprinting, scanning, and enumeration before exploiting it, and that is exactly what we are going to do with VoIP. To perform VoIP information gathering, we need to collect as much useful information as possible about the target. As a start, you can do a simple search online. For example, job announcements could be a valuable source of information. For ...
