Integrated Services Digital Network (ISDN);Completion of Calls on No Reply (CCNR) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Espanola de Normalización in September of 2021.)

Die Norm herausgegeben am 1.9.2021

Integrated Services Digital Network (ISDN);Completion of Calls on No Reply (CCNR) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user (Endorsed by Asociación Espanola de Normalización in September of 2021.)

Die Norm herausgegeben am 1.9.2021

Integrated Services Digital Network (ISDN);Completion of Calls on No Reply (CCNR) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsed by Asociación Espanola de Normalización in September of 2021.)

Die Norm herausgegeben am 1.9.2021

Integrated Services Digital network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Completion of Calls on No Reply (CCNR) supplementary service. Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsed by AENOR in May of 2004.)

Die Norm herausgegeben am 1.5.2004

Integrated Services Digital Network (ISDN); Completion of Calls on No Reply (CCNR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsed by AENOR in May of 2005.)

Die Norm herausgegeben am 1.5.2005

Integrated Services Digital network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Completion of Calls on No Reply (CCNR) supplementary service. Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network (Endorsed by AENOR in May of 2004.)

Die Norm herausgegeben am 1.5.2004

Integrated Services Digital Network (ISDN); Completion of Calls on No Reply (CCNR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsed by AENOR in May of 2005.)

Die Norm herausgegeben am 1.5.2005

Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Completion of Calls on No Reply (CCNR) supplementary service. Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (Endorsed by AENOR in May of 2004.)

Die Norm herausgegeben am 1.5.2004

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;Connection characteristics;Negotiation during call/connection establishment phase;Part 1: Protocol specification [ITU-T Recommendation Q.2962 (1996), modified] (Endorsed by Asociación Espanola de Normalización in September of 2021.)

Die Norm herausgegeben am 1.9.2021

Broadband Integrated Services Digital Network (B-ISDN);Digital Subscriber Signalling System No. two (DSS2) protocol;Connection characteristics;Negotiation during call/connection establishment phase;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Espanola de Normalización in September of 2021.)

Die Norm herausgegeben am 1.9.2021