Terrestial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 10-13: Call completion to busy subscriber (Endorsement of the English version ETS 300392-10-13:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 4: Gateways basic operation; Sub-part 3: Data networks gateway (Endorsement of the English version ETS 300392-4-3:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-Part 7: Short Number Addressing (SNA) (Endorsement of the English version ETS 300392-11-7:2000 as German standard)
Edition 2000-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 13: Call Completion to Busy Subscriber (CCBS) (Endorsement of the English version ETS 300392-11-13:2000 as German standard)
Edition 2000-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part  23: Call Completion on No Reply (CCNR) (Endorsement of the English version ETS 300392-11-23:2000 as German standard)
Edition 2000-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 7: Short Number Addressing (SNA) (Endorsement of the English version ETS 300392-12-7:2000 as German standard)
Edition 2000-12

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

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 10-5: List search call (LSC) (Endorsement of the English version ETS 300392-10-5:2000-08 as German Standard)
Edition 2001-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Sub-part 10-20: Discreet listening (DL) (Endorsement of the English version ETS 300392-10-20:1999-05 as German Standard)
Edition 2001-08