Actually, you get called back at 7 minute intervals
started: 2014-05-07 11:12:36.005 
7 minute notify: 2014-05-07 11:17:00.001
7 minute notify: 2014-05-07 11:24:00.001
7 minute notify: 2014-05-07 11:31:00.001 

I'll chew on it when I get home.