Glossar
CLI (Calling Line Identification)
CLIP (Calling Line Identification Presentation)
CLIR (Calling Line Identification Restriction)
CNIP (Calling Name Identification Presentation)
COLP (Connected Line Identification Presentation)
COLR (Connected Line Identification Restriction)
CW (Call Waiting)
D
Digitale Vermittlungsstelle
Direktruf
D-Kanal
Dreierkonferenz
E
ECT (Explicit call transfer)
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