iPhone Vibration

It seems that iPhone SDK has limited the possibility to have control over vibration pattern, duration and intensity. There is just one way of calling this vibration, which is always the same with the following code:

AudioServicesPlaySystemSound (kSystemSoundID_Vibrate);

more about this can be found in:


http://blogs.oreilly.com/iphone/2009/01/on-vibration.html