Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description; English version ETS 300649:1997
Edition 1997-12

Integrated Services Digital Network (ISDN); Terminal Portability (TP) supplementary service; service description; english version ETS 300053:1991
Edition 1992-09

European digital cellular telecommunications system (phase 2) - MultiParty (MPTY) supplementary services, stage 3; English version ETS 300568:1995
Edition 1995-08

Public Switched Telephone Network (PSTN) - Calling Line Identification Presentation (CLIP) supplementary service - Service description; English version ETS 300648:1997
Edition 1997-12

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA); Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Part 10-15: Transfer of control; English version ETS 300392-10-15:1996
Edition 1997-09

Integrated Services Digital Network (ISDN) - Audiovisual services - Videotelephone systems and terminal equipment operating on one or two 64 kbit/s channels; English version ETS 300145:1996
Edition 1996-08

Industrial communication networks - Fieldbus specifications - Part 6-19: Application layer protocol specification - Type 19 elements (IEC 61158-6-19:2019); English version EN IEC 61158-6-19:2019, only on CD-ROM
Edition 2020-08

Integrated Services Digital Network (ISDN) - User-to-User Signalling (UUS) supplementary service - Service description; English version ETS 300284:1996
Edition 1996-10

Industrial communication networks - Fieldbus specifications - Part 5-4: Application layer service definition - Type 4 elements (IEC 61158-5-4:2019); English version EN IEC 61158-5-4:2019, only on CD-ROM
Edition 2020-07

Industrial communication networks - Fieldbus specifications - Part 5-17: Application layer service definition - Type 17 elements (IEC 61158-5-17:2007); English version EN 61158-5-17:2008, only on CD-ROM
Edition 2008-09