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) - Telephony 7 kHz teleservice - Functional capabilities and information flows; English version ETS 300265:1994
Edition 1994-10

Digital cellular telecommunications system (Phase 2) - Subscriber, Mobile Equipment (ME) and services data administration; English version ETS 300613:1996
Edition 1997-07

Digital Enhanced Cordless Telecommunications (DECT) - DECT Authentication Module (DAM) - Implementation Conformance Statement (ICS) proforma specification; English version ETS 300760:1997
Edition 1998-07

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

Private Telecommunication Network (PTN); signalling protocol at the S-reference point; circuit mode basic services; English version ETS 300192:1992
Edition 1993-09

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; functional capabilities and information flows; english version ETS 300140:1992
Edition 1992-12

Terminal Equipment (TE) - Videotex - Photographic syntax; English version ETS 300177:1995
Edition 1995-07

Transmission and Multiplexing (TM) - Physical layer User Network Interface (UNI) for 2048 kbit/s Asynchronous Transfer Mode (ATM) signals; English version ETS 300742:1997
Edition 1998-02