ETSI ETS 300 369-4

ETSI ETS 300 369-4

Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) 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 use Edition: 1
European Telecommunications Standards Institute / 01-May-1997 / 28 pages

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