| 1. | Integrated services digital network . telephony 7 khz teleservice . service description 综合服务数字网. 7khz电话业务.业务描述 |
| 2. | Integrated services digital network . signalling interworking specification for isdn user part version 1 综合服务数字网. isdn用户部分信令互连规范.第1版 |
| 3. | Rfhi integrated services digital network - specification of the remote frame handler interface ; english version ets 300458 : 1995 综合服务数字网.遥控帧处理机接口规范 |
| 4. | Broadband integrated services digital network b - isdn . asynchronus transfer mode . adaptation layer specification . type 3 4 宽带综合服务数字网.异步传输模式.应用层规范. 3 4型 |
| 5. | Integrated services digital network . signalling system number 7 . transaction capabilities application part . test specification 综合服务数字网.第7信令系统.传输性能应用部分.测试规范 |
| 6. | Telecommunications - network and customer installation interfaces - integrated services digital network primary rate layer 1 electrical interface specification 电信.网络与用户装置接口.综合服务数字网isdn主速率. 1层电接口规范 |
| 7. | Xdsl is an end - to - end digital technology like isdn , so there is no converting and reconverting signals between digital and analog Xdsl是像isdn (综合服务数字网) ,一样的端到端数字技术因此不需要在数字与模拟方式之间来回转换信号。 |
| 8. | Integrated services digital network - audiovisual services - inband signalling procedures for audiovisual terminals using digital channels up to 2048 kbit s ; english version ets 300143 : 1994 综合服务数字网.声频视频服务.传送速度2048kbit s以 |