The system to handle the Telephony Denial of Service has been invented to handle the denial of service, but it is not an easy fix for most. It is more complicated for the main users. But the news is that it is here to help, and it can be used in our most crucial systems as in hospitals and especially ICU.
Read the full article here:
http://voipsecurityblog.typepad.com/marks_voip_security_blog/2013/11/new-enhanced-telephony-denial-of-service-tdos-attack-tool-released.html