Integrated Services Digital Network (ISDN); Audiovisual services in-band signalling testing; Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
综合业务数字网(ISDN);视听业务带内信号测试;第1部分:测试套件结构和测试目的(TSS&TP)规范
To specify the test suite structure and test purposes for conformance testing of in-band signalling of an ISDN videptelephony terminal which uses one or two B-channels as specified in ETS 300 143, ETS 300 144 and ETS 300 145