Private Integrated Services Network (PISN) - Specification, functional models and information flows - Recall supplementary service
STANDARD published on 1.11.1999
Designation standards: ČSN EN 301257-V1.1.1
Classification mark: 879546
Catalog number: 57198
Publication date standards: 1.11.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN