
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call intrusion supplementary service
STANDARD published on 1.12.1995
Designation standards: ÖNORM ETS 300425
Note: WITHDRAWN
Publication date standards: 1.12.1995
The number of pages: 90
Approximate weight : 301 g (0.66 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM