摘要
简介ＡＬＣＡＴＥＬ公司开发的计算机化的程控制交换机和配套的数字电话机在旅馆管理上的应用和在用户环路上实现“全双工数字传输的物理特征。是ＩＳＤＮ发展初期阶段“投资少见效快”的应用途径。
This paper briefly introduces the application in the hotel management of computerized programed switches andthe related digital telephones developed by ALLCATEL. It also mentions the physical characteristics of realizing on the userloop the ,Fuil Duplex Digital Transmission’ which is the application with quick profit from less investment at the earlystages of ISDN development.
出处
《数字通信》
1995年第2期46-48,共3页
Digital Communications and Networks
