Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; service description; english version ETS 300050:1991
Edition 1992-09

Integrated Services Digital Network (ISDN); advice of charge: charging information during the call (AOC-D) supplementary service; service description; English version ETS 300179:1992
Edition 1993-09

Transmission and Multiplexing (TM) - Optical Distribution Network (ODN) for Optical Access Network (OAN); English version ETS 300681:1997
Edition 1998-05

Radio Equipment and Systems (RES) - Digital European Cordless Telecommunications (DECT) - DECT Authentication Module (DAM); English version ETS 300331:1995
Edition 1996-06

Digital cellular telecommunications system (Phase 2) - Subscriber, Mobile Equipment (ME) and services data administration; English version ETS 300613:1996
Edition 1997-07

Radio Equipment and Systems (RES) - Land mobile service - Binary Interchange of Information and Signalling at 1200 bit/s (BIIS 1200); English version ETS 300230:1996
Edition 1998-06

Distribution automation using distribution line carrier systems - Part 6: A-XDR encoding rule (IEC 61334-6:2000); German version EN 61334-6:2000, text in English
Edition 2001-05