摘要
本文通过对我国电话网上所使用的数字程控交换机和数字程控用户交换机所具有的 N-ISDN 功能的分析,说明我国发展 N-ISDN 有一定的技术条件和基础,并提出了具体的步骤和设想。
Based on the analysis of N-ISDN functions possessed by the digital stored programme controlled(SPC) private ex- changes and digital stored pro- gramme controlled private auto- matic branch exchanges(PABX) used in the telephone networks in China,the paper shows that there are certain favourable technical conditions and founda- tions for developing the N-ISDN services in China,and further puts forward some concrete sug- gestions to the issue.
关键词
ISDN
电话网
程控交换机
通信网
integrated services digital network
non-voice service
exchange