Private Telecommunications Network (PTN). Method for the specification of basic and supplementary services
STANDARD published on 1.12.1995
Designation standards: STN ETS 300387
Classification mark: 870387
Catalog number: 71491
Publication date standards: 1.12.1995
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Slovak technical standard
Category: Technical standards STN