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

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) - 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) - Full rate speech - Part 6: Voice Activity Detection (VAD) for full rate speech traffic channels (Endorsement of English version ETS 300580-6:1998-04 as German standard)
Edition 2001-04

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) - Half rate speech - Part 7: ANSI-C code for the GSM half rate speech codec (Endorsement of the English version ETS 300581-7:1998-03 as German standard)
Edition 2001-04

Digital cellular telecommunications system (Phase 2) - Half rate speech - Part 8: Test sequences for the GSM half rate speech codec (Endorsement of the English version ETS 300581-8:1998-04 as German standard)
Edition 2001-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 4: Gateways basic operation; Sub-part 4-2: Integrated Services Digital Network (ISDN) gateway (Endorsement of the English version ETS 300392-4-2:2000-09 as German Standard)
Edition 2001-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-Part 10-2: Call report (Endorsement of the English version ETS 300392-10-2:2000-08 as German Standard)
Edition 2001-07