DIN EN 300130-4:2000-12
Действует
Integrated Services Digital Network (ISDN) - Malicious Call Identification (MCID) 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 (Endorsement of the English version EN 300130-4 V 1.3.2 (2000-06) as German standard)
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