Presentation going over WarVOX, the new tool released by H D Moore. WarVOX is a suite of tools for exploring, classifying, and auditing telephone systems.
You can download it from the following link: https://packetstormsecurity.com/files/download/75471/warvox-1.0.0.pdf
Source: https://packetstormsecurity.com/files/75471/WarVOX-Telephony-Auditing-Tool-Presentation.html