Demo Iphone app

The app's functionality is to calculate the amount of time spent talking on the phone and save that in some local storage before transferring it back to a web service. The full application has several other features that depends on this data, but for the pilot all the required functionality are as follow: The Application Should: - Stay alive and active as a service in the phone memory. - Whenever a call starts the application should capture : caller/called number, call start date and time, roaming status of the current phone (which has the application installed on) and save that in some storage (DB table maybe?) - Whenever a call is ended the application should capture: caller/called number, call end date and time, roaming status of the current phone (which has the application installed on) and save that in some storage (DB table maybe?). - The application should calculate the amount of used Internet data every month. The application should NOT: 1. Require Jailbreaking 2. Violate the use of Apple's regulations 3. Drain the battery