拨打电话，在Adobe AIR for Android上跳过拨号器

I am creating a android app on adobe air. I have a button in my app, clicking on which I need to call to a number skipping the dialer and once the call finishes I want the control to return to my app and record the call duration in local db. Someone please help me with code/links to the information.I am creating a android app on adobe air. I hav