Method and apparatus for overload control and audit in a resource control and management system

A system and method for resource control management implementing Diameter protocol is disclosed. The system includes a border gateway which is configured to send an overload message and a controller that is acting as a Diameter protocol server which is configured to receive the overload message and block a number of calls to the border gateway. The controller would also be configured to perform an audit function which includes clearing media resource ports. The overload message sent by the border gateway may also include a reduction percentage, which will dictate the percentage of calls which will be blocked.