Integrated Services Digital Network (ISDN) - Three-Party (3PTY) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300188-2 V 1.2.4 (1998-06) as German standard)
Edition 2000-01

Integrated Services Digital Network (ISDN) - Malicious Call Identification (MCID) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300130-2 V 1.2.4 (1998-06) as German version)
Edition 2000-01

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; closed User Group (CUG) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version ETS 300770-2:1998 as German standard)
Edition 2000-01

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

V interfaces at the digital Service Node (SN) - Interfaces at the VB5.2 reference point for the support of broadband or combined narrowband and broadband Access Networks (ANs) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 301217-2 V 1.1.3 (1999-09) as German standard)
Edition 2000-10

V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300347-2 V 2.1.3 (1999-12) as German standard)
Edition 2000-10

Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 4-2: Timing characteristics of slave clocks suitable for synchronization supply to Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment; Implementation Conformance Statement( ICS) proforma specification (Endorsement of the English version EN 300462-4-2 V 1.1.1 (1999-12) as German standard)
Edition 2000-10

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 4-2: Synchronous Digital Hierarchy (SDH) path layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-4-2 V 1.1.1 (1999-06) as German Standard)
Edition 2000-10

Transmission and Multiplexing (TM) - Generic requirements of transport functionality of equipment - Part 5-2: Plesiochronous Digital Hierarchy (PDH) path layer functions; Implementation Conformance Statement (ICS) proforma specification (Endorsement of the English version EN 300417-5-2 V 1.1.1 (1999-08) as German Standard)
Edition 2000-10

Integrated Services Digital Network (ISDN) - Advice of Charge (AOC) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsement of the English version EN 300182-2 V 1.3.4 (1999-09) as German standard)
Edition 2000-12