Public Switched Telephone Network (PSTN) - Category II specification for 2400 bits per second duplex modems standardized for use on the PSTN; English version ETS 300117:1996
Edition 1997-08

Integrated Services Digital Network (ISDN); conference call, add-on (CONF) supplementary service; functional capabilities and information flows; English version ETS 300184:1993 + Corrigendum September 1993
Edition 1994-04

Integrated Services Digital Network (ISDN) - Specification of the Remote Frame Handler Interface (RFHI); English version ETS 300458:1995
Edition 1996-04

Gas cylinders - Identification and marking using radio frequency identification technology - Part 1: Reference architecture and terminology (ISO 21007-1:2005); German version EN ISO 21007-1:2005
Edition 2005-10

Signalling Protocols and Switching (SPS) - Q3 interface at the Access Network (AN) for configuration management of V5 interfaces and associated user ports - Part 2: Managed Object Conformance Statement (MOCS) proforma specification; English version ETS 300376-2:1995
Edition 1996-07

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

Integrated Services Digital Network (ISDN); syntax-based videotex end-to-end protocols; circuit mode DTE-DTE; english version ETS 300079:1991
Edition 1992-09

European digital cellular telecommunications system (Phase 2) - Routeing of calls to/from Public Data Networks (PDN); English version ETS 300541:1994
Edition 1995-02

Integrated Services Digital Network (ISDN) - Interworking between public ISDNs and private ISDNs for the provision of telecommunication services - General aspects; English version ETS 300345:1995
Edition 1995-08

Transmission systems and two-ports; measures for attenuation
Edition 1971-11