Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Advice of charge supplementary services.
STANDARD published on 15.12.1997
Designation standards: BS ISO/IEC 15050:1997
Note: WITHDRAWN
Publication date standards: 15.12.1997
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: British technical standard
Category: Technical standards BS