By analyzing the definition,interface,services and terminal standards of the ISDN,this paper discusses a plan for realizing narrowband ISDN in S1240 J serial machines and proposes a rudimentary scheme for building ISDN in our country. ?
英
美
- 通過(guò)分析綜合業(yè)務(wù)數字網(wǎng)（ISDN）的定義、接口、業(yè)務(wù)和終端標準，討論了在S1240J系列機上實(shí)現窄帶ISDN的方案，提出了建設我國ISDN網(wǎng)的初步建議。
