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ETSI EN 300 369-3
- Final draft Version 1.3.1Integrated Services Digital Network (ISDN); Explicit Call Transfer (ECT) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 3: Test Suite Structure and Test Purposes (TSS&TP) specific
- standard by European Telecommunications Standards Institute, 01/01/2002
- Publisher: ETSI
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