Integrated Services Digital Network (ISDN); circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer; service description; english version ETS 300109:1992
Edition 1993-04

Broadband Integrated Services Digital Network (B-ISDN) - Signalling ATM Adaptation Layer (SAAL); Service Specific Connection Oriented Protocol (SSCOP) - Part 1: Protocol specification (ITU-T-Recommendation Q.2110, modified); (Endorsement of the English version EN 300436-1 V 1.2.1 (2000-09) as German Standard)
Edition 2001-09

Private Telecommunication Network (PTN); signalling at the S-reference point; generic feature key management protocol for the control of supplementary services; English version ETS 300240:1993
Edition 1993-12

Integrated Service Digital Network (ISDN) - Signalling System No. 7 (SS7); ISDN User part (ISUP) version 4 for the international interface - Part 21: Anonymous Call rejection (ACR) supplementary service (ITU-T Recommendation Q.731, clause 4 (1993)) (Endorsement of the English version EN 300356-21 V 4.2.1 (2001-07) as German standard)
Edition 2002-01

Broadband Integrated Services Digital Network (B-ISDN) - ATM Adaptation Layer (AAL) - Sublayers: Service Specific Co-ordination Function (SSCF) to provide the Connection-Oriented Transport Service (COTS) [ITU-T Recommendation I.365.3 (1995)] (Endorsement of the English version EN 301117 V 1.1.1 (1998-04) as German Standard)
Edition 2000-06

Integrated Services Digital Network (ISDN) - Teleaction teleservice - Service description (Endorsement of the English version EN 301131 V 1.1.1 (1999-01) as German standard)
Edition 2000-09

Cable networks for television signals, sound signals and interactive services - Part 9: Interfaces for CATV/SMATV headends and similar professional equipment for DVB/MPEG-2 transport streams; German version EN 50083-9:2002
Edition 2003-05

Winter service machines - Part 2: Requirements relating to winter service vehicles with snow ploughs
Edition 2003-10

Digital cellular telecommunications system (Phase 2+) - General Packet Radio Service (GPRS) - Service description - Stage 1 (GSM 02.60 version 6.3.1 Release 1997) (Endorsement of the English version EN 301113 V6.3.1 (2000-11) as German standard)
Edition 2005-04

Digitale Enhanced Cordless Telecommuncation (DECT) - Date Service Profile (DSP) - Isochronous data bearer services with closed user groups (service type D, mobilityclass 1) (Endorsement of the English version EN 301239 V 1.1.3 (1998-06) as German standard)
Edition 1999-07