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| reprise d'appel parqué (A feature that transfers a call back to the person who parked it, after a specified amount of time, so a caller doesn't remain on hold indefinitely) | |||
| rappel m; appel répété; appel par retour; appel double | |||
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ringback : 11 短语, 3 学科 |
| 信息技术 | 5 |
| 电信 | 4 |
| 通讯 | 2 |