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ETSI EN 300 207-3
M00001338
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ETSI EN 300 207-3 Integrated Services Digital Network (ISDN); Diversion supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the user
standard by European Telecommunications Standards Institute, 06/01/1999
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