ETSI EN 300 064-5

ETSI EN 300 064-5

Integrated Services Digital Network (ISDN); Direct Dialling In (DDI) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 5: Test Suite Structure and Test Purposes (TSS

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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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