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ETSI EN 301 065-4
M00001201
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ETSI EN 301 065-4 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)
standard by European Telecommunications Standards Institute, 04/01/2002
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The present document specifies the Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Informationfor Testing (PIXIT) proforma for the User side of the T reference point or coincident S and T reference point ofimplementations conforming to the stage three standard for the Completion of Calls on No Reply (CCNR)supplementary service for the pan-European Integrated Services Digital Network (ISDN) by means of the DigitalSubscriber Signalling System No. one (DSS1) protocol, EN 301 065-1 [1].EN 301 065-3 [3] specifies the Test Suite Structure and Test Purposes (TSS