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Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) - Application transport mechanism - Part 1: Protocol specification
STANDARD published on 1.8.1999
Designation standards: ČSN EN 301069-1-V1.2.2
Classification mark: 877134
Catalog number: 56250
Publication date standards: 1.8.1999
SKU: NS-151285
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Data communication networksIntegrated Services Digital Network (ISDN)
1.11.1999
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Latest update: 2026-03-13 (Number of items: 2 266 261)
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