Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connected Line Identification Restriction (COLR) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300666-2:1996
Edition 1997-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Subaddressing (SUB) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300667-2:1996
Edition 1997-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Restriction (CLIR) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300664-2:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Presentation (CLIP) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300663-2:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connected Line Identification Presentation (COLP) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300665-2:1996
Edition 1997-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Multiple Subscriber Number (MSN) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300662-2:1996
Edition 1998-02