Energy management system application program interface (EMS-API) - Part 1: Guidelines and gerneral requirements (IEC 61970-1:2005); German version EN 61970-1:2006, text in English
Edition 2006-12

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 5: Protocol Implementation Conformance Statement (PICS) proforma specification for the frame relay protocol; English version ETS 300402-5:1996
Edition 1997-04

European digital cellular telecommunications system (Phase 2) - Part 5: Discontinuous Transmission (DTX) for full rate speech traffic channels; English version ETS 300580-5:1994
Edition 1995-01

European digital cellular telecommunications system (Phase 2) - Part 1: Base Station System-Mobile-services Switching Centre (BSS-MSC) interface; general aspects; English version ETS 300587-1:1994
Edition 1995-01

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 3: Conformance Test Specification (CTS); English Version ETS 300391-3:1995
Edition 1996-02

Radio Equipment and Systems (RES) - Private wide area paging service - Part 2: Functional characteristics and access protocol for private wide-area paging systems on shared channels; English version ETS 300719-2:1997
Edition 1998-07

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA) - Packet Data Optimized (PDO) - Part 7: Security; English version ETS 300393-7:1997
Edition 1998-08

Health informatics - Patient healthcard data - Part 8: Links (ISO 21549-8:2010); English version EN ISO 21549-8:2010
Edition 2010-11

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 4: Air interface specification; English version ETS 300133-4:1997
Edition 1998-12

Geographic information - Conceptual schema language (ISO/DIS 19103:2023); English version prEN ISO 19103:2023
Edition 2023-10