A facility offered by some telephone systems whereby an incoming connection is held open automatically until the person called is free to take or…
| 单词 | θ198097 |
| 释义 | society > communication > telecommunication > telegraphy or telephony > telephony > by means of telephone [phrase] > on hold (1) on hold1965 A facility offered by some telephone systems whereby an incoming connection is held open automatically until the person called is free to take or… |
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