Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Message waiting indication supplementary service [ISO/IEC 15506 (2003), modified]
STANDARD published on 1.7.2004
Designation standards: STN EN 301255-V1.2.1
Classification mark: 871255
Catalog number: 95760
Publication date standards: 1.7.2004
The number of pages: 45
Approximate weight : 135 g (0.30 lbs)
Country: Slovak technical standard
Category: Technical standards STN