Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1), Core Intelligent Network Application Protocol (INAP) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for Service Switching Function (SSF) and Specialized Resource Function (SRF); English version ETS 300374-3:1997
Edition 1998-12

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 4: Test Suite Structure and Test Purposes (TSS&TP) specification for the user; English version ETS 300403-4:1997
Edition 1997-11

WC pans and WC suites - Connecting dimensions; German version EN 33:2019
Edition 2019-07

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 1: Test suite structure and test purposes (Endorsement of the English version ETS 300394-2-1:1998 as German standard)
Edition 1999-07

WC pans and WC suites with integral trap; German version EN 997:2018
Edition 2018-12

Transmission and multiplexing (TM); protocol suites for Q interfaces for management of transmission systems; English version ETS 300150:1992
Edition 1994-01

Broadband Radio Access Networks (BRAN) - HIPERLAN Type 2; Conformance testing for the packet based convergence layer - Part 1: Common part; Sub-part 3: Abstract test suite (ATS) specification (Endorsement of the English version EN 301811-1-3 V 1.1.1 (2001-01) as German Standard)
Edition 2001-12

Broadband Radio Access Networks (BRAN) - HIPERLAN Type 2; Conformance testing for the packet based convergence layer - Part 1: Common part; Sub-part 2: Test suite structure and test purposes (TSS&TP) specification (Endorsement of the English version EN 301811-1-2 V 1.1.1 (2001-01) as German Standard)
Edition 2001-12

Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 6: Abstract Test Suite (ATS) specification for interface IA (Endorsement of the English version ETS 300012-6:1998 as German Standard)
Edition 2000-02

Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 7: Abstract Test Suite (ATS) specification for interface IB (Endorsement of the English version ETS 300012-7:1998 as German Standard)
Edition 2000-02