Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration - Part 2: Access profile (Endorsement of the English version EN 300434-2 V 1.2.1 (2001-08) as German Standard)
Edition 2002-11

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for intermediate system configuration; profile Implementation Conformance Statement (ICS) - Part 1: Portable radio Termination (PT) (Endorsement of the English version EN 301241-1 V 1.1.1 (1998-12) as German Standard)
Edition 1999-12

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN); DECT/ISDN interworking for intermediate system configuration; profile Implementation Conformance Statement (ICS) - Part 2: Fixed radio Termination (FT) (Endorsement of the English version EN 301241-2 V 1.1.1 (1998-12) as German Standard)
Edition 1999-12

Telecommunications security - Integrated Services Digital Network (ISDN) - Confidentiality system for audiovisual services (Endorsement of the English version ETS 300840:1998 as German standard)
Edition 1999-06

Telecommunications security - Integrated Services Digital Network (ISDN) - Encryption key management and authentication system for audiovisual services (Endorsement of the English version ETS 300841:1998 as German standard)
Edition 1999-06

Integrated Services Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Service description (Endorsement of the English version EN 300367 V 1.2.1 (1998-10) as German standard)
Edition 2000-09

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

Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service - Service description (Endorsement of the English version EN 301134 V 1.1.1 (1998-10) as German standard)
Edition 2000-09

Integrated Services Digital Network (ISDN) - Selective Call Forwarding (SCF) supplementary services (unconditional, busy and no reply) - Service description (Endorsement of the English version EN 301133 V 1.1.1 (1998,10) as German standard)
Edition 2000-09

Cordless Terminal Mobility (CTM) - Phase 1 - Service description (Endorsement of the English version EN 301175 V 1.1.1 (1998-08) as German Standard)
Edition 2000-09