Those teleco minutes/calls checkers are delayed about 24 hours, I learned that the hard way. If it does keep this up and you aren't charged, I think we would be interested....
....
....
....in learning how to exploit this bug >.>

As far as international calls go. Step one would be to remove/modify those contacts #s to prevent that. It would be different if it were dialing random numbers. Also you aren't running anything like Gizmo/Google Voice/Skype/etc. right?

and lastly your name isn't John Connor is it? =p