Q3 interface at the Local Exchange (LE) for line and circuit testing of analogue and Integrated Services Digital Network (ISDN) subscriber lines - Part 1: Q3 interface specification (Endorsement of the English version EN 301006-1 V 1.2.3 (1998-10) as German Standard)
Edition 2000-02

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Operations, Maintenance and Administration Part (OMAP) - Part 1: Protocol specification (Endorsement of the English version EN 301007-1 V 1.1.3 (1998-05) as German standard)
Edition 1999-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Operations, Maintenance and Administration Part (OMAP) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301007-2 V 1.2.3 (2000-11) as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Signalling Connection Control Part (SCCP) - Interoperability test specification (Endorsement of the English version EN 301008 V 1.1.2 (1998-05) as German standard)
Edition 1999-09

Fixed Radio Systems - Point-to-multipoint equipment - Time Division Multiple Access (TDMA) - Point-to-multipoint digital radio systems in frequency bands in the range 3 GHz to 11 GHz (Endorsement of the English version EN 301021 V1.6.1 (2003-07) as German standard)
Edition 2004-12

VHF radiotelephone equipment for general communications and associated equipment for Class "D" Digital Selective Calling (DSC) - Harmonised Standard for access to radio spectrum and for features for emergency services (Endorsement of the English version EN 301 025 V2.3.1 (2021-12) as a German standard)
Edition 2022-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 1: Overview of the B-ISDN network node interface signalling capability set 2, step 1 [ITU-T Recommendation Q.2721.1 (1996)] (Endorsement of the English version EN 301029-1 V 1.1.2 (1998-04) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 2: Network node interface specification for point-to-multipoint call/connection control [ITU-T Recommendation Q.2722.1 (1996)] (Endorsement of the English version EN 301029-2 V 1.1.2 (1998-04) as German standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 3: Support of additional traffic parameters for Statistical Bit Rate (SBR), Available Bit Rate (ABR), ATM Block Transfer (ABT) and Quality of Service (QoS) [ITU-T Recommendations Q.2723.1 (1996), Q.2723.2 (1997), Q.2723.3 (1997) and Q.2723.4 (1997)] (Endorsement of the English version EN 301029-3 V 1.2.3 (1998-10) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No. 7; B-ISDN User Part (B-ISUP) - Part 4: Look-ahead without state change for the network node interface [ITU-T Recommendation Q.2724.1 (1996)] (Endorsement of the English version EN 301029-4 V 1.2.1 (1998-04) as German standard)
Edition 1999-09