European digital cellular telecommunications system - Half rate speech - Part 5: Discontinuous transmission (DTX) for half rate speech traffic channels; English version ETS 300581-5:1995
Edition 1996-07

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; User-to-User Signalling (UUS) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2957, clause 1 (1995), modified]; English version ETS 300668-1:1996
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; Supplementary service interactions - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300669-2:1996
Edition 1997-09

Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA); Voice plus Data (V+D) - Part 10: Supplementary services stage 1; Part 10-15: Transfer of control; English version ETS 300392-10-15:1996
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

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 1: General aspects [ITU-T Q.920 (1993), modified]; English version ETS 300402-1:1995
Edition 1996-06

Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 5: Protocol Implementation Conformance Statement (PICS) proforma specification for the frame relay protocol; English version ETS 300402-5:1996
Edition 1997-04

Furniture - Circularity - Evaluation method for dis/re-assembly capability; German version EN 17902:2023
Edition 2024-05