Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for 3,1 kHz audio information transfer; service description; english version ETS 300110:1992
Edition 1993-04

Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; serving description; english version ETS 300128:1992
Edition 1992-12

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

Integrated Services Digital Network (ISDN); syntax-based videotex teleservice; service description; English version ETS 300262:1993
Edition 1994-05

Integrated Services Digital Network (ISDN) - Telephony 7 kHz teleservice - Service description; English version ETS 300263:1994
Edition 1994-11

Integrated Services Digital Network (ISDN) - Eurofile transfer teleservice - Service description; English version ETS 300409:1995
Edition 1995-11

Integrated Services Digital Network (ISDN) - File Transfer and Access Management (FTAM) teleservice - Service description; English version ETS 300410:1995
Edition 1995-11

Network Aspects (NA) - Metropolitan Area Network (MAN) - Interconnection of MAN Switching Systems (MSS) based on an Asynchronous Transfer Mode (ATM) interface; English version ETS 300405:1995
Edition 1995-11

Network Aspects (NA); connectionless broadband data service (CBDS); part 1: overview; English version ETS 300217-1:1992
Edition 1993-07

Universal Personal Telecommunication (UPT) - Specification of the security architecture for UPT phase 1 - Part 3: Conformance Test Specification (CTS); English Version ETS 300391-3:1995
Edition 1996-02