Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300448 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300449 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary quality voice bandwidth 4-wire analogue leased line (A4O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300451 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300452 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Digital Enhanced Cordless Telecommunication (DECT) - Global System for Mobile communications (GSM) - DECT/GSM integration based on dual-mode terminals (Endorsement of the English version EN 301242 V 1.2.2 (1999-09) as German standard)
Edition 2000-07

Access and terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services - Part 2: Off-hook data transmission (Endorsement of the English version EN 300659-2 V 1.3.1 (2001-01) as German Standard)
Edition 2001-12

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

Identification card systems - Telecommunications integrated circuit(s) cards and terminals - Part 2: Security framework; German version EN 726-2:1995
Edition 1996-08

Terminal Equipment (TE) - End-to-end protocols for multimedia information retrieval services - Part 2: Use of Digital Storage Media Command and Control (DSM-CC) for basic multimedia applications (Endorsement of the English version ETS 300777-2:1998 as German)
Edition 2001-04

Identification card systems - Telecommunications integrated circuit(s) cards and terminals - Part 6: Telecommunication features; German version EN 726-6:1995
Edition 1996-07