Call a random person and say something like.......
*This the FBI and we have you located....
*Hello__________, how are you doing today?
* Or make up one of your own!
NOTICE THIS DOES NOT GUARANTEE THAT THE PERSON YOU ARE CALLING WILL NOT CALL THE COPS ON YOU!!!!!!!!!!!!!BEFORE YOU PUT THE NUMBER IN PUT *67.
EXAMPLE------ *67 937-835-2856
(The # above above is not real to my knowledge.)