Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Call priority interruption and call priority interruption protection supplementary services.
NORM herausgegeben am 15.3.1999
Designation standards: BS ISO/IEC 15992:1998
Note: UNGÜLTIG
Publication date standards: 15.3.1999
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: British technical standard
Kategorie: Technische Normen BS