Television systems - Enhanced 625-line Phased Alternative Line (PAL) television - PALplus (Endorsement of the English version ETS 300731:1997 as German standard)
Edition 2000-04

Transmission and multiplexing (TM) - Optical interfaces for equipments and systems relating to the synchronous digital hierarchy (SDH) [ITU-T Recommendation G.957 (1995) modified] (Endorsement of the English version ETS 300232:1993 + A1:1996 as German standard)
Edition 2000-06

Integrated Services Digital Network (ISDN) - Security tools (SET) for use within telecommunication services (Endorsement of the English version EN 301132 V 1.1.1 (1998-10) as German standard)
Edition 2000-09

Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1) - Application of Intelligent Network Application Protocols (INAPs) for UPT service set 1 [ITU-T-Recommendation Q.1551:1997] (Endorsement of the English version ETS 300670:1998 as German standard)
Edition 2000-05

Digital cellular telecommunications system (Phase 2) - Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (Endorsement of the English version ETS 300624:1996 as German standard)
Edition 2000-12

Digital cellular telecommunications system (Phase 2) - Handover procedures (Endorsement of the English version ETS 300527:1996-09 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 2 (Endorsement of the English version ETS 300549:1996-06 as German standard)
Edition 2001-04

Integrated Services Digital Network (ISDN) - Harmonized Programmable Communication Interface (HPCI) for ISDN (Endorsement of the English version ETS 300838:1998 as German)
Edition 2001-04

Multimedia Terminals and Applications (MTA) - Programmable Communication Interface (PCI) for file transfer over Integrated Services Digital Network (ISDN) (Endorsement of the English version ETS 300835:1998 as German)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Signalling interworking for supplementary services (Endorsement for the English version ETS 300606:1996-12 as German standard)
Edition 2001-04