Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Private User Mobility (PUM) - Call handling Additional Network Feature (ANF) [ISO/IEC 17878 (2003), modified]
STANDARD published on 1.3.2004
Designation standards: ÖNORM EN 301810-V1.2.1
Publication date standards: 1.3.2004
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM