Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 3: Talking Party Identification (TPI) (Endorsement of the English version EN 300392-12-3 V1.3.1 (2006-04) as German standard)
Edition 2006-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 1: Protocol specification (ITU-T-Recommendation Q.2931 (1995), modified) (Endorsement of the English version EN 300443-1 V 2.0.1 (2001-03) as German standard)
Edition 2001-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300443-2 V 1.3.1 (2001-06) as German Standard)
Edition 2002-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2); B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsement of the English version EN 300443-3 V 1.2.1 (2001-06) as German Standard)
Edition 2002-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsement of the English version EN 300443-4 V 1.2.1 (2001-06) as German Standard)
Edition 2002-11

Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol - B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsement of the English version EN 300443-5 V 1.3.1 (2001-06) as German standard)
Edition 2003-11

Broadband Integrated Services Digital Network (B-ISDN); Digital Subscriber Signalling System No. two (DSS2) protocol - B-ISDN user-network interface layer 3 specification for basic call/bearer control - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300443-6 V 1.3.1 (2001-06) as German standard)
Edition 2003-11

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 1: Protocol specification [ITU-T Recommendation Q.2971 (1995), modified] (Endorsement of the English version EN 300771-1 V 2.0.1 (2000-04) as German standard)
Edition 2001-02

Broadband Integrated Service 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 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsement of the English version EN 300771-6 V 1.1.2 (1999-03) as German standard)
Edition 2000-12

Terrestrial Trunked Radio (TETRA) - Subscriber Identity Module to Mobile Equipment (SIM-ME) interface - Part 3: Integrated Circuit (IC) - Physical, logical and TSIM application characteristics (Endorsement of the English version EN 300812-3 V2.3.1 (2005-12) as German standard)
Edition 2006-11