Norm
[AKTUELL]
NF Z82-059
; NF ETS 300059:1994-09-01
NF Z82-059
; NF ETS 300059:1994-09-01
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). DIENSTMERKMAL SUBADRESSIERUNG. DIENSTBESCHREIBUNG
Titel (englisch)
Integrated Services Digital Network (ISDN). Subaddressing (sub) supplementary service. Service description