
Private Telecommunications Network (PTN). Signalling protocol at the S-reference point. Circuit mode basic services
NORM herausgegeben am 1.11.1994
    
        Designation standards: ČSN ETS 300192
                Classification mark:  879509
                
                Catalog number:  16870
                
                
               
                Publication date standards:  1.11.1994
        The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
        Country:          Czech technical standard
        Kategorie: Technische Normen ČSN