Microphones and earphones for speech communications (IEC 61842:2002); German version EN 61842:2002
Edition 2002-11

Digital cellular telecommunications system (Phase 2) - Half rate speech - Part 2: Half rate speech transcoding (Endorsement of the English version ETS 300581-2:1998-05 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Full rate speech - Part 3: Substitution and muting of lost frames for full rate speech channels (Endorsement of the English version ETS 300580-3:1998-03 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Transmission planning aspects of the speech service in the GSM Public Land Mobile Network (PLMN) system (Endorsement of the English version ETS 300540:1999-07 as German standard)
Edition 2001-04

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Technical characteristics and methods of measurement for maritime radiotelephone watch receivers for the distress and calling frequency 2182 kHz; Amendment A1 (Endorsement of the English version ETS 300441/A1:1998 as German standard)
Edition 1999-10

Digital cellular telecommunications system (Phase 2) - Enhanced Full Rate (EFR) speech transcoding (GSM 06.60 version 4.1.1) (Endorsement of the English version EN 301245 V4.1.1 (2000-08) as German standard)
Edition 2004-12

Digital cellular telecommunications system (Phase 2) - Enhanced Full Rate (EFR) speech processing functions - General description (GSM 06.51 version 4.1.1) (Endorsement of the English version EN 301243 V4.1.1 (2000-11) as German standard)
Edition 2004-12

Digital cellular telecommunications system (Phase 2) - Full rate speech - Part 1: Processing functions (Endorsement of the English version ETS 300580-1:1998-03 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Full rate speech - Part 2: Transcoding (Endorsement of the English version ETS 300580-2:1998-03 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2+) (GSM) - Adaptive Multi-Rate (AMR); Speech processing functions - General description (GSM 06.71 version 7.0.2 Release 1998) (Endorsement of the English version EN 301703 V 7.0.2 (1999-12) as German standard)
Edition 2003-08