VoIP Challenge released! Real attack data!

The Honeynet Project has released a real VoIP attack challenge! It is real data and YOU must find out how the intruders does the attack! Are you up for it? You will learn more about VoIP and get an understanding of the current VoIP attack methods! Go for it here! Deadline in three weeks! Prizes for the best answers!

The Chinese speaking members of the Honeynet Project has translated it even to simplified Chinese! Have fun and learn a lot!

Update (26. jun): NB! Only a few days left to submit your answer! The deadline is June 30th.

Update (28. jul): The solution and the winners of this challenge is available here.