This jake comes in three different Jake levels. The basics are to pervert the automated threat detection system attached to phone taps by calling people and saying a bunch of terrorist buzzwords.
Low Risk:
Call your friends from a various pay phones, never using the same one twice.
Medium:
Call random people from the phone book from the same pay phone.
Advanced:
Call governmental numbers from the same payphone
Eris:
Call Homeland security from your cell phone.