Terrestrial Trunked Radio (TETRA) - Packet Data Optimized (PDO) - Part 11: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300393-11:1998 as German standard)
Edition 1999-12

Digital Enhanced Cordless Telecommunications (DECT) - Global System for Mobile communications(GSM) - Attachment requirements for DECT/GSM dual-mode terminal equipment (Endorsement of the English version EN 301439 V 1.1.1 (1999-03) as German standard)
Edition 2000-07

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 6: Call Authorized by Dispatcher (CAD) (Endorsement of the English version EN 300392-12-6 V1.3.1 (2006-02) as German standard)
Edition 2006-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 11-11: Call waiting (CW) (Endorsement of the English version ETS 300392-11-11:2000-09 as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary Services stage 3; Sub-part 12-2: Call Report (CR) (Endorsement of the English version ETS 300392-12-2:2000-09 as German standard)
Edition 2001-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 12-11: Call waiting (CW) (Endorsement of the English version ETS 300392-12-11:2000-09 as German standard)
Edition 2001-08

Digital Enhanced Cordless Telecommunications (DECT) - Radio in the Local Loop (RLL) Access Profile (RAP) - Part 2: Advanced telephony services (Endorsement of the English version EN 300765-2 V 1.2.1 (2001-02) as German standard)
Edition 2002-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 2: Abstract Test Suite (ATS) for Network (NWK) layer (Endorsement of the English version ETS 300394-2-2:1998 as German standard)
Edition 1999-07

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 3: Abstract Test Suite (ATS) for Logical Link Control (LLC) (Endorsement of the English version ETS 300394-2-3:1998 as German standard)
Edition 1999-07

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 2: Protocol testing specification for Voice plus Data (V+D); Sub-part 4: Abstract Test Suite (ATS) for Medium Access Control (MAC) (Endorsement of the English version ETS 300394-2-4:1998 as German standard)
Edition 1999-07