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NBN EN 300 286-3 : 1999
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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
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12-01-2013
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