Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call offer supplementary service - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 2: Abstract test suite specification— 38 стр.
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Basic call control; enhancement at the "b" service entry point for Virtual Private Network (VPN) applications - Part 1: Protocol specification (Endorsement of the English version EN 301060-1 V 1.2.2 (1998-04) as German standard)— 1 стр.
Information technology - Open Systems Interconnection - Conformance testing methodology and framework - Part 3: The Tree and Tabular Combined Notation (TTCN)— 277 стр.