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ČSN EN 300141-1-V1.2.4 (877032)

Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification

STANDARD published on 1.7.1999

Czech preface only -
Print design (1.20 USD)

The information about the standard:

Designation standards: ČSN EN 300141-1-V1.2.4
Classification mark: 877032
Catalog number: 55926
Publication date standards: 1.7.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN