isdn

• Isdn integrated services digital network
  整体服务数位网路
• Isdn integrated services digital network
  综合业务数字网络
• Isdn integrated service digital network
  整体服务数位网路
• Isdn integrated service digital network
  综合服务数字网络
• Integrated service digital network isdn
  整体服务数字网络
• Principles for the maintenance of isdns
  Isdn的管理原则
• General networking requirements for the narrow - band isdn terminal equipment
  窄带isdn终端设备进网基本要求
• Video conference system lan isdn
  视像会议系统lan isdn
• Isdn is a set of standards for data transmission over telephone lines
  Isdn是一组通过电话线传输数据的标准。
• Design and implementation of accessing internet through an isdn multimedia card
  多媒体卡拨号上网的研究与设计