can we change iphone profiles from silent to ring with iphone sdk?

can we change iphone profiles from silent to ring with iphone sdk?for eg.if the iphone is i开发者_JAVA技巧n silent mode and if some person calls the user more than 4 times then the iphone mode will change to ringing mode ............i know that there are no api for this but can all ou give some other legal alternatives ,

There is no access to incoming phone calls or any phone call history from an app on an iPhone running a stock OS.