You can track on the text of each SMS sent or received.
Even if the SMS is deleted you can still read it. You will also know what day
and what time the text messages were sent or received and you will also know the
number of origin or destination address of the SMS and the address of the GPS position.
You can track all incoming, outgoing and missed, the number of origin or destination of
calls, you can also know the call duration, date and address of the GPS position.