LST ETS 300 806-1 Leid.1-2006 Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Generic functional protocol for the support of supplementary services;Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
2006LST ETS 300 806-1 Leid.1-2006 Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Generic functional protocol for the support of supplementary services;Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification