Integrated Services Digital Network (ISDN) - Signalling System No. 7; Interworking between ISDN User Part (ISUP) version 2 and Digital Subscriber Signalling System No. one (DSS1) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version EN 300899-3 V 1.1.1 (2001-09) as German Standard)
综合业务数字网(ISDN)-第7号信令系统;ISDN用户部分(ISUP)第2版和数字用户信号发送系统第1号(DSS1)之间的互通.第3部分:测试套件结构和测试目的(TSS&TP)规范(英文版EN 300899-3 V的认可)