NF Z82-402-7-2005
综合业务数字网(ISDN).数字用户信令系统No.1(DSS1)协议.数据链接层.第7部分:抽象试验组和通用协议用测试用部分协议实现附加信息形式表规范
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 7 : Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specificati