
Private Telecommunication Network (PTN) - Inter-exchange signalling protocol - Do not disturb and do not disturb override supplementary services
STANDARD published on 1.2.1995
Designation standards: ÖNORM ETS 300364
Note: WITHDRAWN
Publication date standards: 1.2.1995
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM