Private Telecommunication Network (PTN); Specification, functional models and information flows; Identification supplementary services
NORM herausgegeben am 18.12.1992
Designation standards: ETSI ETS 300173-ed.1
Publication date standards: 18.12.1992
The number of pages: 38
Approximate weight : 114 g (0.25 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI