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Integrated Service Digital Network (ISDN). Call Forwarding No Reply (CFNR) supplementary service. Functional capabilities and information flows
STANDARD published on 1.1.1996
Designation standards: ČSN ETS 300205
Classification mark: 877057
Catalog number: 19025
Publication date standards: 1.1.1996
SKU: NS-171013
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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