Integrated Services Digital Network (ISDN) - Synchronization and Co-ordination Function (SCF) for the provision of the OSI Connection-mode Network Service (OSI CONS) in an ISDN environment - Specification of SCF (ITU-T Recommendation Q.923 (1995), modified); English version ETS 300660:1996
Edition 1997-04

Integrated Services Digital Network (ISDN) - Programming Communication Interface (PCI) for Euro-ISDN; English version ETS 300325:1994
Edition 1994-08

Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Signalling interworking specification for ISDN User Part (ISUP) version 2; English version ETS 300360:1995
Edition 1995-11

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 1: BVPS for Permanent communications (BVPS-P); English version ETS 300455-1:1995
Edition 1996-02

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Presentation (CLIP) supplementary service - Part 1: Protocol specification (ITU-T Recommendation Q.2951, clause 3 (1995), modified); English version ETS 300663-1:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Broadband Virtual Path Service (BVPS) - Part 2: BVPS for Reserved communications (BVPS-R); English version ETS 300455-2:1995
Edition 1996-02

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Multiple Subscriber Number (MSN) supplementary service - Part 1: Protocol specification (ITU-T Recommendation Q.2951, clause 2 (1995), modified); English version ETS 300662-1:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Restriction (CLIR) supplementary service - Part 1: Protocol specification (ITU-T Recommendation Q.2951, clause 4 (1995), modified); English version ETS 300664-1:1996
Edition 1997-11

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Subaddressing (SUB) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 8 (1995), modified]; English version ETS 300667-1:1996
Edition 1997-09

Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Connected Line Identification Restriction (COLR) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 6 (1995), modified]; English version ETS 300666-1:1996
Edition 1997-09