Private Telecommunication Network (PTN). Specification, functional model and information flows. Do not disturb and do not disturb override supplementary services
NORM herausgegeben am 1.12.1995
Designation standards: STN ETS 300363
Classification mark: 870363
Catalog number: 71494
Publication date standards: 1.12.1995
The number of pages: 86
Approximate weight : 289 g (0.64 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN