DIN ETS 300098-5:1997-11
Отменен
Integrated Services Digital Network (ISDN) - Connected Line Identification Restriction (COLR) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network; English version ETS 300098-5:1997
