Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services
STANDARD published on 1.1.2000
Designation standards: ČSN EN 300364-V1.2.1
Classification mark: 879526
Catalog number: 57785
Publication date standards: 1.1.2000
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN