ETSI EN 302 093-4-2000 宽带综合业务数字网(B-ISDN).2号数字用户信令系统(DSS2)协议.在分离呼叫和承载环境中的点对点多连接承载控制规范.第4部分:抽象测试套件(ATS)和部分协议额外测试信息实现(PIXIT)形式规范
Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No.Two (DSS2) Protocol; Point-to-Point Multiconnection Bearer Control Specification in a Separated Call and Bearer Environment; Part 4: Abstract Test Suite (ATS)