| Заглавие на английском языке | Integrated Services Digital Network (ISDN) - Telephony 7 kHz and videotelephony teleservices; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version ETS 300267-5:1998 as German standard) |