You can define recovery rules on the System Parameters Media Gateway Automatic Recovery Rule screen. You can access this screen by using the change system-parameters mg-recovery-rule n command. This screen is available within the system-parameters area of administration screens. The maximum number of screens that can be administered correspond to the maximum number of gateways supported by the server. For the S8300E, you can administer up to 50 screens, while for standalone servers, you can administer up to 999 screens.