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ETSI EN 300 058-4
M00001541
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ETSI EN 300 058-4 Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Call Waiting (CW) 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 (asdefined in ITU-T Recommendation I.411 [10]) of implementations conforming to the stage three standard for the CallWaiting (CW) supplementary service for the pan-European Integrated Services Digital Network (ISDN) by means ofthe Digital Subscriber Signalling System No. one (DSS1) protocol, EN 300 058-1 [2].EN 300 058-3 [4] specifies the Test Suite Structure and Test Purposes (TSS