Digital cellular telecommunications system (Phase 2) - Substitution and muting of lost frames for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.61 version 4.0.1) (Endorsement of the English version EN 301246 V 4.0.1 (1997-12) as German standard)
Edition 2003-11

Digital cellular telecommunications system (Phase 2) - Comfort noise aspects for Enhanced Full Rate (EFR) speech traffic channels (GSM 06.62 version 4.0.1) (Endorsement of the English version EN 301247 V 4.0.1 (1997-12) as German standard)
Edition 2003-11

Terminal Equipment (TE) - Attachment requirements for pan-European approval for connection to the analogue Public Switched Telephone Networks (PSTNs) of TE supporting the voice telephony service in wich network addressing, if provided, is by means of Dual Tone Multi Frequency (DTMF) signalling (Endorsement of the English version EN 301437 V 1.1.1 (1999-06) as German standard)
Edition 2000-10

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 2: Speech services, radio interface (Endorsement of the English version ETS 300326-2:1998-08 as German standard)
Edition 2001-02

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 3: Speech services, radio interface (Endorsement of the English version ETS 300326-3:1998-08 as German standard)
Edition 2001-02

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Terrestrial Flight Telecommunications System (TFTS) - Part 1: Speech services, facilities and requirements (Endorsement of the English version ETS 300326-1:1998-08 as German standard)
Edition 2001-02

Plain language - Application for the German language - Part 1: Language-specific provisions
Edition 2024-05

Text-to-speech for television - General requirements (IEC 62731:2018); German version EN IEC 62731:2018
Edition 2018-10

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 3: Additional Network Feature Group Call (ANF-ISIGC) (Endorsement of the English version EN 300 392-3-3 V1.4.1 (2017-12) as German standard)
Edition 2018-04

Information processing - Programming language PEARL - SafePEARL
Edition 2018-03