Private Integrated Services network (PISN) - Inter-exchange signalling protocol - Call intrusion supplementary service
STANDARD published on 1.1.2000
Designation standards: ČSN EN 300426-V1.2.1
Classification mark: 879528
Catalog number: 57787
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