Integrated Services Digital Network (ISDN); Three-Party (3PTY) supplementary service; service description; English version ETS 300186:1993
Edition 1994-01

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

Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993
Edition 1994-01

Transport Services - Customer communications for passenger transport services - A Universal Design approach; German version EN 17478:2021
Edition 2022-05

Identification card systems - Telecommunication applications - Integrated circuit(s) card payphone; German version EN 1038:1995
Edition 1996-08

Terminal Equipment (TE) - Telephony for hearing impaired people - Characteristics of telephone sets that provide additional receiving amplification for the benefit of the hearing impaired; English version ETS 300488:1996
Edition 1996-08

Dentistry - Designation system for teeth and areas of the oral cavity (ISO 3950:2016); German version EN ISO 3950:2016
Edition 2016-09

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; service description; english version ETS 300139:1992
Edition 1992-12

Intelligent transport systems - ESafety - ECall end to end conformance testing; German version EN 16454:2023
Edition 2024-03

Tourism services - Requirements for the provision of professional tourist guide training and qualification programmes; German version EN 15565:2008
Edition 2008-05