Private Integrated Services Network (PISN) - Specification, functional models and information flows - Diversion supplementary services [ISO/IEC 13872 (1995), modified]
STANDARD published on 1.4.1997
Designation standards: ČSN ETS 300256-ed.2
Classification mark: 879514
Catalog number: 21655
Publication date standards: 1.4.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN