Human Factors (HF) - Minimum Man-Machine Interface (MMI) to public network based supplementary services; English version ETS 300738:1997
Edition 1998-04

Preparation and quality management of fluids for haemodialysis and related therapies - Part 2: Water treatment equipment for haemodialysis applications and related therapies (ISO/DIS 23500-2:2022); German and English version prEN ISO 23500-2:2022
Edition 2022-12

Integrated Services Digital Network (ISDN) - ISDN-Global System for Mobile Communications (GSM) - Public Land Mobile Network (PLMN) signalling interface; English version ETS 300303:1994
Edition 1995-01

Business TeleCommunications (BTC) - Planning of loudness rating and echo values for private networks digitally connected to the public network; English version ETS 300283:1994
Edition 1994-09

Preparation and quality management of fluids for haemodialysis and related therapies - Part 1: General requirements (ISO/DIS 23500-1:2022); German and English version prEN ISO 23500-1:2022
Edition 2023-01

Integrated Services Digital Network (ISDN) - Signalling system No. 7; Message Transfer Part (MTP) - Testspecification; English version ETS 300336:1996
Edition 1997-07

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications (GSM); Integrated Services Digital Network (ISDN); DECT access to GSM via ISDN - General description of service requirements; English version ETS 300787:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - Call Forwarding Busy (CFB) supplementary service - Functional capabilities and information flows; English version ETS 300203:1994
Edition 1995-06

Integrated Services Digital Network (ISDN) - Call Forwarding Unconditional (CFU) supplementary service - Functional capabilities and information flows; English version ETS 300204:1994
Edition 1995-06

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 1: General aspects; English version ETS 300133-1:1997
Edition 1998-12