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Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description.
STANDARD published on 1.12.1997
Designation standards: DIN ETS 300649:1997-12
Publication date standards: 1.12.1997
SKU: NS-249116
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: German technical standard
Category: Technical standards DIN
Öffentliches Fernsprechwählnetz (PSTN) - Dienstmerkmal "Unterdrückung der Übermittlung der Rufnummer des rufenden Teilnehmers" - Dienstbeschreibung.
1.10.2000
1.8.1997
1.12.1997
1.12.2001
1.12.2001
1.12.2001
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