Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-11-6 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 11-8: Area Selection (AS) (Endorsement of the English version EN 300392-11-8 V 1.1.1 (2000-12) as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplement services stage 2; Sub-part 10: Priority call (PC) (Endorsement of the English version EN 300392-11-10 V 1.1.1 (2001-05) as German Standard)
Edition 2002-03

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-11-12 V1.1.2 (2003-05) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 14: Late Entry (LE) (Endorsement of the English version EN 300392-11-14 V 1.1.1 (2002-07) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2 - Sub-part 16: Pre-emptive Priority Call (PPC) (Endorsement of the English version EN 300392-11-16 V1.2.1 (2004-09) as German standard)
Edition 2005-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 17: Include Call (IC) (Endorsement of the English version EN 300392-11-17 V 1.1.2 (2002-01) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 18: Barring of Outgoing Calls (BOC) (Endorsement of the English version EN 300392-11-18 V 1.1.1 (2001-08) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 19: Barring of Incoming Calls (BIC) (Endorsement of the English version EN 300392-11-19 V 1.1.1 (2001-08) as German standard)
Edition 2003-04

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-11-21 V 1.1.1 (2003-04) as German standard)
Edition 2003-11