打一个从未接通的电话。

Calls a number which will never get through.

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提供拨号或接线员接线实现用户间接通的电话系统设施。

The facilities of a telephone system involved in providing dialed or operator routed connections between subscribers.

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对于未能接通的电话需要人工座席再次拨打以确认客户电话准确状态，才能开展后续业务处理，浪费人力。

Need for manual unable to access the phone agent to confirm the customer calls again to make accurate state, to follow-up of business, and waste of manpower.

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