Norm
[AKTUELL]
OENORM EN 300260 V 1.3.1
OENORM EN 300260 V 1.3.1
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service [ISO/IEC 13865 (2003), modified]
Titel (englisch)
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call transfer supplementary service [ISO/IEC 13865 (2003), modified]