Integrated Services Digital Network (ISDN) - Outgoing Call Barring-Fixed (OCB-F) supplementary service - Service description
STANDARD published on 1.9.1999
Designation standards: ČSN EN 301082-V1.1.1
Classification mark: 873611
Catalog number: 56460
Publication date standards: 1.9.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN