according to this it's still not implement in stock Android - only patch on certain phones by the carriers. see: http://code.google.com/p/android/issues/detail?

according to this it's still not implement in stock Android - only patch on certain phones by the carriers. see: http://code.google.com/p/android/issues/detail?id=24468 http://code.google.com/p/android/issues/detail?id=24468