
Information technology. Private integrated services network (PISN). Inter-exchange signalling protocol. Message waiting indication supplementary service (QSIG-MWI).
NORMA vydána dne 15.2.1998
Designation standards: BS ISO/IEC 15506:1997
Note: NEPLATNÁ
Publication date standards: 15.2.1998
The number of pages: 34
Approximate weight : 102 g (0.22 lbs)
Country: British technical standard
Kategorie: Technické normy BS