Integrated Services Digital Network (ISDN); support of CCITT recommendation X.21, X.21bis and X.20bis based Data Terminal Equipments (DTEs) by an ISDN; synchronous and asynchronous terminal adaption functions; english version ETS 300103:1990
Edition 1992-02

European digital cellular telecommunications system (phase 2) - Signalling requirements on interworking between the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) and the Public Land Mobile Network (PLMN); English version ETS 300600:1995
Edition 1995-08

Integrated Services Digital Network (ISDN); Calling Line Identification Presentation (CLIP) and Calling Line Identification Restriction (CLIR) supplementary services; functional capabilities and information flows; english version ETS 300091:1992
Edition 1992-12

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

Network Aspects (NA); Metropolitan Area Network (MAN); principles and architecture; English version ETS 300211:1992
Edition 1993-07

Integrated Services Digital Network (ISDN) - Programming Communication Interface (PCI) for Euro-ISDN; English version ETS 300325:1994
Edition 1994-08

European digital cellular telecommunications system (Phase 2) - Technical realisation of facsimile group 3 non-transparent; English version ETS 300539:1995
Edition 1995-06

Integrated Services Digital Network (ISDN) - Audiovisual services - Videotelephone systems and terminal equipment operating on one or two 64 kbit/s channels; English version ETS 300145:1996
Edition 1996-08

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

Integrated Services Digital Network (ISDN); three-party (3PTY) supplementary service; functional capabilities and information flows; English version ETS 300187:1993
Edition 1994-01