NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
DIN ETS 300208
DIN ETS 300208
Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Service description; English version ETS 300208:1996
Title (German)
ISDN - Dienstmerkmal "Verbindung mit genereller Kostenübernahme" - Dienstbeschreibung; Englische Fassung ETS 300208:1996