ETSI EN 300 286-4

ETSI EN 300 286-4
ETSI EN 300 286-4 English PDF Integrated Services Digital Network (ISDN); User-to-User Signalling (UUS) 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 us

standard published 12/01/1998 by European Telecommunications Standards Institute

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Update to references to cite latest basic call standards et al. Incorporation of minor technical modifications where necessary.

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