
Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services [ISO/IEC 11572 (2000) modified]
STANDARD published on 16.6.2003
    
        Designation standards: ETSI EN 300172-V1.5.1
                
                
                
               
                Publication date standards:  16.6.2003
        The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
        Country:          European technical standard
        Category: Technical standards ETSI