I didn't see this in the repos, so just in case it, I'd like to see UCsniff.

From their website:
Ucsniff is a VoIP/UC Sniffer / Assessment / Pentest tool with some useful new features, such as IP Video Sniffing.UCSniff is a Proof of Concept tool to demonstrate the risk of unauthorized eavesdropping on voice and video - it can help you understand who can eavesdrop, and from what parts of your network.

http://ucsniff.sourceforge.net/