Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services; English version ETS 300192:1992
Edition 1993-09

Terminal equipment (TE) - Facsimile group 4, class 1 equipment in the Integrated Services Digital Network (ISDN) - Terminal testing; English version ETS 300280:1994
Edition 1994-08

Public Switched Telephone Network (PSTN) - Basic Category I and Category II specifications for modems standardized for use on the PSTN; English version ETS 300114:1996
Edition 1997-08

Electronic railway equipment - Train communication network (TCN) - Part 2-1: Wire Train Bus (WTB) (IEC 61375-2-1:2012); English version EN 61375-2-1:2012
Edition 2015-06

Industrial communication networks - Fieldbus specifications - Part 5-11: Application layer service definition - Type 11 elements (IEC 61158-5-11:2007); English version EN 61158-5-11:2008, only on CD-ROM
Edition 2008-09

Network aspects (NA); accessibility for 64 kbit/s circuit switched international end-to-end ISDN traffic relations; English version ETS 300251:1993
Edition 1994-04

European digital cellular telecommunications system (Phase 2) - Operator determined barring; English version ETS 300513:1994
Edition 1995-01

Industrial communication networks - Fieldbus specifications - Part 5-14: Application layer service definition - Type 14 elements (IEC 61158-5-14:2014); English version EN 61158-5-14:2014, only on CD-ROM
Edition 2015-09

Industrial communication networks - Fieldbus specifications - Part 5-18: Application layer service definition - Type 18 elements (IEC 61158-5-18:2010); English version EN 61158-5-18:2012, only on CD-ROM
Edition 2013-01

Integrated Services Digital Network (ISDN); Call Waiting (CW) supplementary service; functional capabilities and information flows; english version ETS 300057:1992
Edition 1992-11