Private Telecommunication Network (PTN). Inter-exchange signalling protocol . Call completion supplementary services
NORM herausgegeben am 1.7.2002
Designation standards: STN ETS 300366
Classification mark: 870366
Catalog number: 20219
Publication date standards: 1.7.2002
The number of pages: 70
Approximate weight : 210 g (0.46 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN