title: How to programmatically silence the ringer or change the ringer tone on iOS5
body: <p>Is there a way to reduce the volume of the ringer or change the ringer tone on iOS5? </p>
  
  <p>I checked out the Celestial framework, but can't instantiate AVSystemController. :-(</p>
  
  <p>I don't care if this get's the app rejected in the AppStore as it will never be submitted.</p>