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); Direct Dialling In (DDI) supplementary service; service description; english version ETS 300062:1991
Edition 1992-09

Integrated Services Digital Network (ISDN) - Facsimile group 4 class 1 on the ISDN - Functional specification of the equipment; English version ETS 300087:1994
Edition 1994-11

European digital cellular telecommunications system (phase 2) - Unstructured Supplementary Service Data (USSD), stage 3; English version ETS 300572:1995
Edition 1995-08

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) - Closed User Group (CUG) supplementary services - Stage 2; English version ETS 300546:1996
Edition 1996-08

Private Integrated Services Network (PISN) - Cordless Terminal Mobility (CTM) - Call handling additional network features; functional capabilities and information flows; English version ETS 300695:1996
Edition 1996-12

Data communication; multilink procedures; identical with ISO 7478:1987 (status as of 1989)
Edition 1989-11

Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters; English version ETS 300384:1995
Edition 1995-05

Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters in the 66 to 73 MHz band; English version ETS 300750:1997
Edition 1997-11