Private Telecommunications Network (PTN) - Method for the specification of basic and supplementary services; English version ETS 300387:1994
Edition 1994-11

Terminal Equipment (TE); syntax-based videotex lower layer protocols using packet mode access over the Public Switched Telephone Network (PSTN); English version ETS 300221:1993
Edition 1994-01

Integrated Services Digital Network (ISDN) - Videotelephony teleservice - Service description; English version ETS 300264:1994
Edition 1994-11

Data communication - X.25 DTE conformance testing - General principles; identical with ISO/IEC 8882-1:1996
Edition 1997-06

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) information model - Connection supervision function (Higher order Connection Supervision/Lower order Connection Supervision (HCS/LCS)) for the Network Element (NE) view; English version ETS 300484:1996
Edition 1997-12

Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; service description; english version ETS 300062:1991
Edition 1992-09

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

Identification card systems - Telecommunication applications - Integrated circuit(s) card payphone; German version EN 1038:1995
Edition 1996-08

Digital cellular telecommunications system (Phase 2) - Security management; English version ETS 300614:1996
Edition 1997-07

European digital cellular telecommunications system (Phase 2) - Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities; English version ETS 300584:1994
Edition 1995-01