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.; 声音和数据综合交换系统中的一种功能,它为专业操作员提供对组织好的目录进行更新 和修正的功能,还可产生硬拷贝电话目录,它采用口令访问系统,以保护数据库的安全。