| Заглавие на английском языке | Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 3: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300403-3 V 1.2.2 (1998-04) as German standard) |