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 10: Supplementary services stage 1 - Sub-part 21: Ambience Listening (AL) (Endorsement of the English version EN 300392-10-21 V1.2.1 (2003-09) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 4: Call Forwarding (CF) (Endorsement of the English version EN 300392-10-4 V1.3.1 (2003-09) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-12-12 V1.1.2 (2003-05) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Harmonized EN for TETRA equipment covering essential requirements under article 3.2 of the R&TTE Directive - Part 1: Voice plus Data (V+D) (Endorsement of the English version EN 303035-1 V1.2.1 (2001-12) as German standard)
Edition 2004-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 1: Call identification (CI) (Endorsement of the English version EN 300392-10-1 V1.3.1 (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 1: Call Identification (CI) (Endorsement of the English version EN 300392-11-1 V1.2.1 (2004-01) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 12: Call Hold (HOLD) (Endorsement of the English version EN 300392-10-12 V1.3.1 (2004-02) as German standard)
Edition 2004-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 11: Call Waiting (CW) (Endorsement of the English version EN 300392-10-11 V1.3.1 (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 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