Description: This object specifies the action that users used to change the service state of the media gateway link. This object can be modified while the entry is active.

up (1) - Bring the service state up. The value of cmedxGatewayDownServiceDelay will be ignored. downForceful (2) - Bring the service state down without any delay. All current active calls will be torn down forcefully. The value of cmedxGatewayDownServiceDelay must be 0. downGraceful (3) - Bring the service state down but wait until currently active calls are terminated by users. The value of cmedxGatewayDownServiceDelay must be greater than 0. cancelGraceful(4) - While waiting for all currently active calls to be terminated by users during the downGraceful action, this value can be used to cancel the previous action 'downGraceful(3)'. The value of cmedxGatewayDownServiceDelay will be ignored.