Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; functional capabilities and information flows; english version ETS 300140:1992
Edition 1992-12

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; service description; English version ETS 300186:1993
Edition 1994-01

Private Telecommunication Network (PTN); signalling at the S-reference point; generic keypad protocol for the support of supplementary services; English version ETS 300190:1992
Edition 1993-09

European digital cellular telecommunications system (Phase 2) - Closed User Group (CUG) supplementary services - Stage 2; English version ETS 300546:1996
Edition 1996-08

Additive manufacturing - General principles - Requirements for purchased AM parts (ISO/ASTM 52901:2017); German version EN ISO/ASTM 52901:2018
Edition 2018-12

Intelligent transport systems - ITS station security services for secure session establishment and authentication between trusted devices (ISO 21177:2024); English version EN ISO 21177:2024
Edition 2024-06

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

Facility management - Influencing organizational behaviours for improved facility outcomes (ISO 41015:2023); German version EN ISO 41015:2023
Edition 2023-10