Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Service description.
STANDARD published on 1.10.1996
Designation standards: DIN ETS 300208:1996-10
Publication date standards: 1.10.1996
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: German technical standard
Category: Technical standards DIN
ISDN - Dienstmerkmal "Verbindung mit genereller Kostenübernahme" - Dienstbeschreibung.