Integrated Services Digital Network (ISDN); Diversion supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - 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 300207-6 V 3.2.1 (2003-01) as German standard)
Edition 2003-11

Integrated Service Digital Network (ISDN); Signalling System No. 7 (SS7); Bearer Independent Call Control (BICC) - Signalling procedures in an ATM/IP/.. backbone network; Capability Set 1 (CS1) - Part 1: Protocol specification (ITU-T Recommendations Q.1901 and Q.765.5, modified) (Endorsement of the English version EN 301848-1 V 1.1.1 (2001-02) as German Standard)
Edition 2001-12

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) specification for the PSTN NMDS interface Layer 3 (NTN side) (Endorsement of the English version EN 301141-7 V 1.1.1 (2002-02) as German Standard)
Edition 2002-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Direct Dialling In (DDI) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300661-2:1997 as German Standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Three-party (3PTY) supplementary service - Digital Subscriber Signalling System No. 1 (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 300188-1 V 1.2.4 (1998-06) as German standard)
Edition 2000-01

Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI); Protocol Implementation Conformance Statement (PICS) proforma - Part 7: Physical layer (Endorsement of the English version EN 300476-7 V 1.2.1 (2000-11) as German Standard)
Edition 2002-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Closed User Group (CUG) supplementary service - Part 1: Protocol specification (ITU-T Q.2955.1:1996, modified) (Endorsement of the English version ETS 300770-1:1998 as German standard)
Edition 2000-01

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; ATM traffic descriptor modification with negotiation by the connection owner - Part 1: Protocol specification [ITU-T Recommendation Q.2963.3, modified] (Endorsement of the English version EN 301486-1 V 1.1.3 (2000-04) as German standard)
Edition 2001-02

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 14: Abstract Test Suite (ATS) for Repeater type 2 (Endorsement of the English version EN 300394-4-14 V 1.1.1 (2001-01) 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 4: Type 2 repeater air interface (AI) (Endorsement of the English version EN 300396-8-4 V 1.1.1 (2001-01) as German Standard)
Edition 2002-03