Processes and systems are disclosed for screening a work order to diagnose and to isolate trouble in a telephone system. One embodiment includes communicating with a communications network and acquiring work order information, the work order information representing the work order. The work order information may be annotated with at least one of a date, a time, and an origin of the work order. The work order information is filtered for a screening criteria, with the screening criteria having a corresponding action. The work order information is updated according to the corresponding action, with the corresponding action updating at least one of a telephone system status code, a telephone system route code, and a narrative portion describing the telephone system. The process screens the work order for known indications of trouble in the telephone system.