Automatic Call-back Dropped Calls

Hi all,
I want that my vicidial automatically calls back to customers whose calls are dropped. It is possible manually, but I want this process to be automated. Please anyone help/guide me to accomplish my task.
I want that my vicidial automatically calls back to customers whose calls are dropped. It is possible manually, but I want this process to be automated. Please anyone help/guide me to accomplish my task.