DIN EN 300369-5-2002 综合业务数字网(ISDN).数字用户信号传输1号系统(DSS1)协议.显式转呼(ECT)补充服务.第5部分:网络用试验序列结构和试验目的(TSS&TP)规范 (英文版本核准本 EN 300369-5 V 1.3.1 (2002-05) 作为德国标准)
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Explicit Call Transfer (ECT) supplementary service - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsem