The device comprises a call request receiving unit, an operation instruction obtaining unit and a call holding execution unit.

所述装置包括：呼叫请求接收单元、操作指令获取单元和呼叫保持执行单元。

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"Someone said that he had made a cellphone call following the quake but the monsignor was holding a pair of glasses in his right hand.

VOA: standard.2010.01.20

Calls in background and call holding.

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He tripped Callahan, and then, with the call delayed while New York was pulling the goalie, he dragged down Ryan McDonagh from the side for a holding call.

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UNESCO: MEDIA SERVICES