European digital cellular telecommunications system (Phase 2) - Multi Party (MPTY) supplementary services - Stage 2; English version ETS 300545:1995
Edition 1995-09

European digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 2; English version ETS 300544:1995
Edition 1995-09

Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1), Core Intelligent Network Application Protocol (INAP) - Part 1: Protocol specification; English Version ETS 300374-1:1994
Edition 1995-04

Integrated Services Digital Network (ISDN) - Facsimile group 4 class 1 equipment on the ISDN - End-to-end protocols; English version ETS 300112:1994
Edition 1994-11

Digital cellular telecommunications system (Phase 2) - Network Management (NM) - Part 2: Common aspects of GSM/DCS1800 Network Management; English version ETS 300612-2:1996
Edition 1997-07

Industrial communication networks - Profiles - Part 3-8: Functional safety fieldbuses - Additional specifications for CPF8 (IEC 61784-3-8:2021); English version EN IEC 61784-3-8:2021
Edition 2023-05