ETSI EN 300 058-4

ETSI EN 300 058-4
ETSI EN 300 058-4 English PDF Final draft Version 1.3.1Integrated 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) proforma specificati

standard published 12/01/2001 by European Telecommunications Standards Institute

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