Private Integrated Services Network (PISN) - Specification, functional model and information flows - Short message service supplementary service [ISO/IEC 21989 (2002) modified]
NORMA vydána dne 1.9.2003
Designation standards: ÖNORM EN 301990-V1.1.1
Publication date standards: 1.9.2003
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM