Here are a couple of links to the Department of Homeland Security (DHS) Cyber Security Division (CSD) showcase earlier this year. They did a great job of recording the videos of all the presenters. We were fortunate to be a featured presenter on the first day.
As I have said and I need to post some more info here, we have expanded our research program with DHS CSD to focus on addressing issues such as calling number spoofing and caller authentication, and how this helps to address voice security issues such as Telephony Denial of Service (TDoS), robocalls, scams, bomb threats, etc.
The first link is to the full set of videos. The second is a link to our video. Check them out: