DIN EN 300196-3:2002-11
Действует
Integrated Services Digital Network (ISDN) - Generic functional protocol for the support of supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300196-3 V 1.2.1 (2001-11) as German Standard)
— 1 стр.