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Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
STANDARD published on 1.7.1999
Designation standards: ČSN EN 300141-2-V1.2.4
Classification mark: 877032
Catalog number: 55925
Publication date standards: 1.7.1999
SKU: NS-150960
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)
1.7.1999
1.7.1999
1.7.1999
1.7.1999
1.7.1999
1.7.1999
Latest update: 2024-07-17 (Number of items: 2 331 085)
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