Private Telecommunication Network (PTN). Inter-exchange signalling protocol Circuit mode basic services
STANDARD published on 1.7.2002
Designation standards: STN ETS 300172-vyd.2
Classification mark: 870172
Catalog number: 87894
Publication date standards: 1.7.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN