Digital cellular telecommunications system (Phase 2+) - Radio Link Protocol (RLP) for data and telematic services on the Mobile Station - Base Station System (MS-BSS) interface and the Base Station System; Mobile-services Switching Centre (BSS-MSC) interface (Endorsement of the English version ETS 300946:2000-06 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Voice Broadcast Service (VBS) - Stage 2 (Endorsement of the English version ETS 300934:1998-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Voice Group Call Service (VGCS) - Stage 2 (Endorsement of the English version ETS 300933:1998-12 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - Security related network functions (Endorsement of the English version ETS 300929:1998-07 as German standard)
Edition 2001-06

Digital cellular telecommunications system (Phase 2+) - GSM Application Programming Interface (GSM-API) (Endorsement of the English version ETS 300917:1998-05 as German standard)
Edition 2001-06

Digital cellular telecommunications system - Subscriber Identity Modules (SIM) - Functional characteristics (Endorsement of the English version ETS 300922:1999-04 as German standard)
Edition 2001-06

Terminal Equipment (TE) - Narrowband networks (PSTN or ISDN) - Access to interactive audio-visual retrieval services without data-facility; access for ISDN or PSTN videophony terminals to audio-visual databases (Endorsement of the English version ETS 300834:1998 as German standard)
Edition 1999-06

Transmission and Multiplexing (TM) - Synchronous Digital Hierarchy (SDH) - Radio specific functional blocks for transmission of M x sub-STM-1 (Endorsement of the English version ETS 300785:1998 as German standard)
Edition 1999-07

Integrated Services Digital Network (ISDN) - Specification of the Packet Handler access point Interface (PHI) (Endorsement of the English version ETS 300099:1998 as German standard)
Edition 2000-06

Network Aspects (NA) - Digital coding of component television signals for contribution quality applications in the range 34-45 Mbit/s (Endorsement of the English version ETS 300174:1992 + A1:1997 as German standard)
Edition 2000-06