Information technology. Private integrated services network (PISN). Specification, functional model and information flows. Message waiting indication supplementary service (MWISD).
STANDARD published on 15.2.1998
Designation standards: BS ISO/IEC 15505:1997
Note: WITHDRAWN
Publication date standards: 15.2.1998
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: British technical standard
Category: Technical standards BS