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Integrated Services Digital Network (ISDN). Direct Dialling In (DDI) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
STANDARD published on 1.4.2002
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Designation standards: STN EN 300064-1-V1.3.4
Classification mark: 870064
Catalog number: 19902
Publication date standards: 1.4.2002
SKU: NS-518652
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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Latest update: 2025-03-13 (Number of items: 2 232 199)
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