Private Integrated Services Network (PISN). Inter-exchange signalling protocol. Private User Mobility (PUM). Registration supplementary service [ISO/IEC 17876 (2000) modified]
STANDARD published on 1.8.2001
Designation standards: STN EN 301821-V1.1.1
Classification mark: 871821
Catalog number: 18282
Publication date standards: 1.8.2001
The number of pages: 61
Approximate weight : 183 g (0.40 lbs)
Country: Slovak technical standard
Category: Technical standards STN