Contact or application-specific vibration "tone" (pattern)

> **Possible Duplicate:** > [Is there a way to customize vibrate patterns?](https://android.stackexchange.com/questions/1217/is-there-a-way-to-customize-vibrate-patterns) I want a custom vibration "tone" (pattern) for different callers or applications. Does Android have any facility for this? Can contacts hold custom information like this?