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ETSI ETS 300 286-3
M00000678
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ETSI ETS 300 286-3 Integrated Services Digital Network (ISDN); User-to-User Signalling (UUS) supplementary service; 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, 05/01/1997
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