
Private Telecommunication Network (PTN) - Signalling protocol at the S-reference point - Identification supplementary services
NORM herausgegeben am 1.8.1993
Designation standards: ÖNORM ETS 300191
Note: UNGÜLTIG
Publication date standards: 1.8.1993
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM