ČSN ETS 300056 (873505)

Integrated Services Digital Network (ISDN). Call Waiting (CW) suplementary service. Service description

STANDARD published on 1.6.1995

Czech preface only -
Print design (1.30 USD)

The information about the standard:

Designation standards: ČSN ETS 300056
Classification mark: 873505
Catalog number: 17829
Publication date standards: 1.6.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN