Private Integrated Services Network (PISN) - Specification, functional model and information flows - Single step call transfer supplementary service [ISO/IEC 19459 (2001) modified]
STANDARD published on 1.9.2003
Designation standards: ÖNORM EN 301918-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
Category: Technical standards ÖNORM