Abstract: A call screening service and system are disclosed for a telephone switching network. The call screening service provides a service subscriber with a number of call screening features that are subscriber setable via an automated call screening configuration subsystem internal to the telephone switching network. In particular, the call screening service allows the subscriber to set multiple call screening service activation schedules as well as to set both call screening activation and deactivation timers for immediately activating and deactivating the call screening service, respectively. An important aspect of the present invention allows the subscriber to deactivate the call screening service for a time and at the expiration of this time, the call screening service automatically reverts to using any schedules the subscriber has set for activating the call screening service.