STN ETS 300140 (870140)

Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Functional capabilities and information flows

STANDARD published on 1.3.1994

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The information about the standard:

Designation standards: STN ETS 300140
Classification mark: 870140
Catalog number: 71390
Publication date standards: 1.3.1994
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Slovak technical standard
Category: Technical standards STN