integrated service digital network (ISDN )
integrated service digital network
整体数位服务网路
综合业务数字网
综合业务数据网
整体服务数字网络
综合服务数字网络
Integrated service digital communication systems
Integrated Service Communications
INTEGRATED SERVICE ARCHITECTURE
integrated digital network exchange
integrated digital network
整体数字网络
综合数字网
综合数字网络
整合数字网络
综合数字通信网络
Integrated digital mobile Communication network
integrated digital enhanced network
fully integrated digital network
Fibre broadband integrated service digital network
European integrated services digital network
city integrated service
broadband multimedia integrated service
Broadband Integrated Services Digital Network