Norm
[AKTUELL]
OENORM EN 301655 V 1.2.1
OENORM EN 301655 V 1.2.1
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call priority interruption and call priority interruption protection supplementary service [ISO/IEC 15991 (2003), modified]
Titel (englisch)
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Call priority interruption and call priority interruption protection supplementary service [ISO/IEC 15991 (2003), modified]