NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
ETS 300050
ETS 300050
Integrated Services Digital Network (ISDN); Multiple Subscriber Number (MSN) supplementary service; service description
Title (German)
ISDN; Dienstmerkmal Mehrfachrufnummer; Dienstbeschreibung