Integrated Services Digital Network (ISDN) - Three-Party (3PTY) 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 300188-5:1996
Integrated Services Digital Network (ISDN) - Three-Party (3PTY) 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 300188-5:1996
Integrated Services Digital Network (ISDN) - Three-party (3PTY) supplementary service - Digital Subscriber Signalling System No. 1 (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300188-1 V 1.2.4 (1998-06) as German standard)— 1 стр.