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Integrated Services Digital Network (ISDN). Call Waiting (CW) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
STANDARD published on 1.8.1996
Designation standards: ČSN ETS 300058-2
Classification mark: 877009
Catalog number: 20107
Publication date standards: 1.8.1996
SKU: NS-170707
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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