Private Integrated Services Network (PISN); Specification, functional model and information flows; Short message service supplementary service [ISO/IEC 21989 (2002) modified]
STANDARD published on 1.2.2004
Designation standards: STN EN 301990-V1.1.1
Classification mark: 871990
Catalog number: 93253
Publication date standards: 1.2.2004
The number of pages: 51
Approximate weight : 153 g (0.34 lbs)
Country: Slovak technical standard
Category: Technical standards STN