Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (Endorsement of the English version EN 301065-1 V 1.2.2 (1998-10) as German standard)
Edition 2000-04

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 8: Protocol Implementation Conformance Statement (PICS) proforma specification; Sub-part 3: Gateway Air Interface (AI) (Endorsement of the English version ETS 300396-8-3:1999 as German standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-10: Abstract Test Suite (ATS) for Direct Mode Gateway (DM-GATE) (Endorsement of the English version ETS 300394-4-10:1999 as German standard)
Edition 2000-05

Integrated Services Digital Network (ISDN) - Narrowband Multi-service Delivery System (NMDS) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301141-2 V 1.3.1 (2001-06) as German Standard)
Edition 2002-03

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; Connection characteristics; peak cell rate modification by the connection owner - Part 1: Protocol specification [ITU-T Recommendation Q.2963.1 (1996), modified] (Endorsement of the English version EN 301003-1 V 1.1.3 (1999-05) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connection characteristics; peak cell rate modification by the connection owner - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301003-2 V 1.1.3 (1999-05) as German standard)
Edition 2000-04

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; connection characteristics; negotiation during call/connection establishment phase - Part 1: Protocol specification [ITU-T Q.2962 (1996), modified] (Endorsement of the English version EN 301067-1 V 1.1.3 (1999-05) as German Standard)
Edition 2000-05

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; connection characteristics; modification procedures for sustainable cell rate parameters - Part 1: Protocol specification [ITU-T-Recommendation Q.2963.2 (1997), modified] (Endorsement of the English version EN 301276-1 V 1.1.3 (1999-03) as German Standard)
Edition 2000-05

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-4: Test Suite Structure and Test Purposes (TSS&TP) for Direct Mode Repeater (DM-REP) type 1 (Endorsement of the English version EN 300394-4-4 V 1.1.1 (2001-01) as German standard)
Edition 2001-08