Private Integrated Services Network (PISN); Specification, functional model and information flows; Simple Dialog supplementary service [ISO/IEC 21407 (2001) modified]
NORM herausgegeben am 16.6.2003
Designation standards: ETSI EN 301920-V1.1.1
Publication date standards: 16.6.2003
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI