
Private Telecommunication Network (PTN) - Specification, functional model and information flows - Call offer supplementary service
STANDARD published on 1.2.1995
Designation standards: ÖNORM ETS 300361
Note: WITHDRAWN
Publication date standards: 1.2.1995
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM