ringback
Substantiv
The sound transmitted back to a caller to indicate that the telephone they are calling is ringing.
Gebrauch- nicht zählbar
A telephone feature allowing a person to receive an automatic call back when a busy line becomes free.
Gebrauch- nicht zählbar
- Beispiele
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'But you've been engaged an awfully long time: I had to use ringback in the end and that's expensive, but this is important so never mind.'