Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 22: Dynamic Group Number Assignment (DGNA) (Endorsement of the English version EN 300 392-12-22 V1.4.1 (2015-02) as German standard)
Edition 2015-06

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 13: Call Completion to Busy Subscriber (CCBS) (Endorsement of the English version EN 300 392-12-13 V1.2.1 (2012-03) as German standard)
Edition 2012-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 14: Late Entry (LE) (Endorsement of the English version EN 300 392-12-14 V1.2.1 (2012-03) as German standard)
Edition 2012-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 23: Call Completion on No Reply (CCNR) (Endorsement of the English version EN 300392-12-23 V1.2.1 (2012-04) as German standard)
Edition 2012-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 20: Discreet Listening (DL) (Endorsement of the English version EN 300 392-12-20 V1.2.1 (2012-04) as German standard)
Edition 2012-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sup-part 8: Area Selection (AS) (Endorsement of the English version EN 300392-12-8 V1.2.1 (2010-07) as German standard)
Edition 2011-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 2: Additional Network Feature Individual Call (ANF-ISIIC) (Endorsement of the English version EN 300392-3-2 V1.4.1 (2010-08) as German standard)
Edition 2011-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 4: Additional Network Feature Short Data Service (ANF-ISISDS) (Endorsement of the English version EN 300392-3-4 V1.3.1 (2010-08) as German standard)
Edition 2011-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-10-6 V1.4.1 (2006-08) as German standard)
Edition 2007-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-10-16 V1.3.1 (2006-08) as German standard)
Edition 2007-04