Information technology - Telecommunications and information exchange between systems - Private Integrated Services Network - Inter-exchange signalling protocol - Simple dialog supplementary service
STANDARD published on 1.11.2003
Designation standards: ČSN ISO/IEC 21408
Classification mark: 369277
Catalog number: 68761
Note: WITHDRAWN
Publication date standards: 1.11.2003
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN