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ETSI ETS 300 185-4

Integrated Services Digital Network (ISDN); Conference call, add-on (CONF) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Tes
standard by European Telecommunications Standards Institute, 10/01/1996
Publisher: ETSI

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