A feature in an integrated voice and data switching system that provides professional operator assistance with update and correction of an organizational directory. A hard copy telephone directory can also be produced. Passwords are used to access the system, protecting the data base's security.; 聲音和數(shù)據綜合交換系統(tǒng)中的一種功能,它為專業(yè)操作員提供對組織好的目錄進行更新 和修正的功能,還可產生硬拷貝電話目錄,它采用口令訪問系統(tǒng),以保護數(shù)據庫的安全。