Norm
[AKTUELL]
OENORM EN 300426 V 1.3.1
OENORM EN 300426 V 1.3.1
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service [ISO/IEC 14846 (2003), modified]
Titel (englisch)
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service [ISO/IEC 14846 (2003), modified]