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
€41.78
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; User-to-User Signalling (UUS) supplementary service - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300668-2:1996
€63.27
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; Supplementary service interactions - Part 1: Protocol specification; English version ETS 300669-1:1996
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
€56.17
Integrated Services Digital Network (ISDN) - Call Waiting (CW) supplementary service - Service description; English version ETS 300056:1991/A1:1996
€34.30
Integrated Services Digital Network (ISDN) - Call Deflection (CD) supplementary service - Service description; English version 300202:1995/A1:1996
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 1: Protocol specification (ITU-T Recommendations Q.771 to Q.775 (1993), modified); English version ETS 300287-1:1996
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification; English version ETS 300287-2:1996
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) version 2 - Part 3: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification; English version ETS 300287-3:1996
€77.20
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 6: Test Suite Structure and Test Purposes (TSS&TP) specification for the general protocol; English version ETS 300402-6:1997
€145.14
Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Signalling network layer for circuit-mode basic call control - Part 4: Test Suite Structure and Test Purposes (TSS&TP) specification for the user; English version ETS 300403-4:1997
€173.74
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
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
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
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