Oct 1, 2014
Here is a link to the webinar I did this week, along with Cisco, on Telephony Denial of Service. You do have to register, but that is a small price to pay 🙂
http://tools.cisco.com/gems/cust/customerSite.do?METHOD=E&LANGUAGE_ID=E&SEMINAR_CODE=S21445&PRIORITY_CODE=000566573