Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (2003), modified]
STANDARD published on 1.3.2004
Designation standards: ÖNORM EN 300364-V1.3.1
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