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Integrated Services Digital Network (ISDN) - Call Forwarding Unconditional (CFU) supplementary service - Service description.
STANDARD published on 1.5.1995
Designation standards: DIN ETS 300200:1995-05
Publication date standards: 1.5.1995
SKU: NS-248293
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: German technical standard
Category: Technical standards DIN
ISDN - Dienstmerkmal "Ständige Anrufweiterschaltung" - Dienstbeschreibung.
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