Norm
[AKTUELL]
UNE-ETS 300125
UNE-ETS 300125
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE DATA LINK LAYER SPECIFICATION. APPLICATION OF CCITT RECOMMENDATIONS Q.920/I.440 AND Q.921/I.441.
Titel (englisch)
INTEGRATED SERVICES DIGITAL NETWORK (ISDN); USER-NETWORK INTERFACE DATA LINK LAYER SPECIFICATION. APPLICATION OF CCITT RECOMMENDATIONS Q.920/I.440 AND Q.921/I.441.