
Private Telecommunication Network (PTN) - Specification, functional models and information flows - Identification supplementary services
STANDARD published on 1.8.1993
Designation standards: ÖNORM ETS 300173
Note: WITHDRAWN
Publication date standards: 1.8.1993
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM