Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2: Specification of environmental tests; Sub-part 5: Ground vehicle installations (Endorsement of the English version EN 300 019-2-5 V3.1.1 (2021-09) as a German standard)
Edition 2022-09

Equipment Engineering (EE) - Evironmental conditions and environmental tests for telecommunications equipment - Part 2-6: Specification of environmental tests; Ship environments (Endorsement of the English version EN 300019-2-6 V3.0.0 (2002-12) as German standard)
Edition 2004-03

Equipment Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-7: Specification of environmental tests; Portable and non-stationary use (Endorsement of the English version EN 300019-2-7 V3.0.0 (2002-12) as German standard)
Edition 2004-03

Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-8: Specification of environmental tests - Stationary use at underground locations (Endorsement of the English version EN 300 019-2-8 V2.2.1 (2020-03) as a German standard)
Edition 2021-02

Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300052-1 V 1.2.4 (1998-06) as German standard)
Edition 1999-12

Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300052-2 V 1.2.4 (1998-06) as German standard)
Edition 1999-12

Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300052-3 V 1.2.4 (1998-06) as German standard)
Edition 1999-12

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol; Multi Subscriber Number (MSN) supplementary service - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300052-4 V 1.3.1 (2002-04) as German Standard)
Edition 2002-12

Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service - 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 EN 300052-5 V 1.2.4 (1998-06) as German Standard)
Edition 1999-12

Integrated Services Digital Network (ISDN) - Multiple Subscriber Number (MSN) supplementary service; digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300052-6 V 1.3.3 (1999-11) as German standard)
Edition 2000-10