Sectional specification; electromechanical all-or-nothing heavy load relays of assessed quality (rated from 5 A and above); German version EN 116300:1993
Edition 1994-04

Blank detail specification; electromechanical all-or-nothing heavy load relays of assessed quality (hermetically sealed, 5 A to 25 A); german version EN 116303:1993
Edition 1994-04

Generic specification; sockets for use with electrical relays of assessed quality; German version EN 147000:1993
Edition 1994-06

Attachements to the Public Switched Telephone Network (PSTN) - General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Endorsement of the English version EN 300001 V 1.5.1 (1998-10) as German Standard)
Edition 2000-09

Private Integrated Services Network (PISN) - Specification, functional model and information flows - Call intrusion supplementary service [ISO/IEC 14845 (1996) modified] (Endorsement of the English version EN 300425 V1.3.1 (2003-06) as German standard)
Edition 2004-03

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service (ISO/IEC 14846 (2003), modified) (Endorsement of the English version EN 300426 V1.3.1 (2004-01) as German standard)
Edition 2004-12

Universal Personal Telecommunication (UPT) - UPT Phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CAD); UPT card accepting Dual Tone Multiple Frequency (DTMF) device (Endorsement of the English version EN 300477 V 1.2.2 (1999-05) as German version)
Edition 2000-10

Terrestrial Trunked Radio (TETRA) - Subscriber Identity Module to Mobile Equipment (SIM-ME) interface - Part 3: Integrated Circuit (IC) - Physical, logical and TSIM application characteristics (Endorsement of the English version EN 300812-3 V2.3.1 (2005-12) as German standard)
Edition 2006-11

Telecommunications Management Network (TMN) - Asynchronous Transfer Mode (ATM) management information model for the X interface between Operation Systems (OSs) of a Virtual Path (VP)/Virtual Channel (VC) cross connected network - Part 1: Configuration management (Endorsement of the English version EN 300820-1 V 1.2.1 (2000-11) as German Standard)
Edition 2001-08

Telecommunications Management Network (TMN) - Asynchronous Transfer Mode (ATM) management information model for the X interface between Operation Systems (OSs) of a Virtual Path (VP)/Virtual Channel (VC) cross connected network - Part 2: Alarm management (Endorsement of the English version EN 300820-2 V 1.3.1 (2000-11) as German Standard)
Edition 2001-08