integrated service digital network (ISDN )
B-ISDN Broadband integrated service digital network
N-ISDN Narrowband integrated service digital network
Broadband Integrated Service Digital Network
综合业务数字网
宽带综合业务数字网
宽带整体服务数字网络
Fibre broadband integrated service digital network
integrated service digital network
综合业务数据网
整体服务数字网络
综合业务数字网
综合服务数字网络
整体数位服务网路
intergrated service digital network
Optical fibre broadband integrated service digital network
Broadband integrated service digital networks
broadband integrated service network
fully integrated digital network
IDN Integrated digital network
Integmrated service digital communication
integrated digital network
综合数字通信网络
整体数字网络
综合数字网
综合数字网络
整合数字网络
integrated digital network exchange
Integrated service digital communication systems
Integrated service digital networks
integrated service network
broadband-integrate service digital network