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

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 8: Protocol Implementation Conformance Statement (PICS) proforma specification; Sub-part 8-1: Mobile Station to Mobile Station (MS-MS); Air Interface (AI) (Endorsement of the English version ETS 300396-8-1:2000-01 as German Standard)
Edition 2001-08

Intelligent Network (IN) - Intelligent Network Capability Set 1 (CS1); Core Intelligent Network Application Protocol (INAP) - Part 6: Protocol Implementation Conformance Statement (PICS) proforma specification for Service Control Function (SCF); Service Data Function (SDF) interface (Endorsement of the English version ETS 300374-6:1998-09 as German Standard)
Edition 2001-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2); application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification (Endorsement of the English version ETS 300646-3:1998 as German Standard)
Edition 1999-09

Integrated Services Digital Network (ISDN) - Signalling System No. 7; Digital cellular telecommunications system (Phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation extra Information for Testing (PIXIT) proforma specification (Endorsement of the English version ETS 300646-4:1998 as German Standard)
Edition 1999-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version ETS 300771-3:1998-06 as German standard)
Edition 1999-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endosement of the English version ETS 300771-4:1998-09 as German standard)
Edition 1999-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for point-to-multipoint call/bearer control - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version ETS 300771-5:1998-06 as German standard)
Edition 1999-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 14: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300392-14:1997 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 1: Test suite structure and test purposes (Endorsement of the English version ETS 300394-2-1:1998 as German standard)
Edition 1999-07