Norm
[AKTUELL]
UNE-ETS 300102-1
UNE-ETS 300102-1
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE LAYER 3. SPECIFICATIONS FOR BASIC CALL CONTROL.
Titel (englisch)
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE LAYER 3. SPECIFICATIONS FOR BASIC CALL CONTROL.