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

Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Service description; English version ETS 300208:1996
Edition 1996-10

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 2: BVPS for Reserved communications (BVPS-R); English version ETS 300455-2:1995
Edition 1996-02

Bar coding - Terminology; German version EN 1556:1998
Edition 1998-09

Non-destructive testing - Industrial computed radiography with storage phosphor imaging plates - Part 2: General principles for testing of metallic materials using X-rays and gamma rays (ISO 16371-2:2017, Corrected version 2018-05); German version EN ISO 16371-2:2017
Edition 2019-04

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; service description; English version ETS 300183:1992
Edition 1993-09

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

Integrated Services Digital Network (ISDN); Closed User Group (CUG) supplementary service; service description; english version ETS 300136:1992
Edition 1992-12

Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version ETS 300202:1994
Edition 1995-05

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