I think this could be useful to some on the list: just published a new version of SIPVicious - tools for auditing SIP based VoIP systems. Posted an explanation of what the new tool does and its purpose: http://blog.sipvicious.org/2010/06/how-to-crash-sipvicious-introducing.html Obligatory video demo: http://vimeo.com/12744376 And the download at: http://code.google.com/p/sipvicious/downloads/list - sandro .. Sandro Gauci Chief Consultant and Founder of EnableSecurity Email: sandro at enablesecurity.com Web: http://enablesecurity.com/ PGP: 514D B10C 8C3C 15BB 2EFD 49EC 7CCD 73C5 0295 F23B