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

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Generic functional protocol- Core aspects - Part 1: Protocol specification [ITU-T Recommendation Q.2932.1, modified]; English version ETS 300796-1:1997
Edition 1998-07

Integrated Services Digital Network (ISDN) - File transfer over the ISDN EUROFILE transfer profile; English version ETS 300383:1995
Edition 1995-07

Human Factors (HF) - Minimum Man-Machine Interface (MMI) to public network based supplementary services; English version ETS 300738:1997
Edition 1998-04

Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the B-channel of the user access, basic and primary rate; English version ETS 300048:1997
Edition 1998-08

Industrial communication networks - Fieldbus specifications - Part 3-7: Data-link layer service definition - Type 7 elements (IEC 61158-3-7:2007); English version EN 61158-3-7:2008, only on CD-ROM
Edition 2008-09

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration; Profile Test Specification (PTS) - Part 2: Profile Specific Test Specification (PSTS) for Portable radio Termination (PT); English version ETS 300758-2:1997
Edition 1998-07

Integrated Services Digital Network (ISDN); attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access; layer 3 aspects; english version ETS 300104:1991
Edition 1992-05

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

Terminal Equipment (TE) - Basic and recommended additional requirements for terminal equipment supporting Teletex application; English version ETS 300015:1994
Edition 1994-08