ÖNORM EN 300443-5 V 1.3.1:2001-09
Действует
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network