Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Recall supplementary service.
NORM herausgegeben am 15.12.1997
Designation standards: BS ISO/IEC 15051:1997
Note: UNGÜLTIG
Publication date standards: 15.12.1997
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: British technical standard
Kategorie: Technische Normen BS