求翻译：预拨号为一个高效呼叫中心的必备工具，系统在数据库批量读取电话号码，自动按拨号规则批量拨号，待对方接通后按照预先的规则回拨给分机，提高了拨号速率与速度，并且预拨号数量可以动态调整，随时可以根据网络状态，坐席调整并发数目是什么意思？

Pre-dial the call center for a high essential tool, the system reads the phone number in the database volume, volume dial automatically dialing rules, to be connected to each other after the return be allocated in accordance with the rules of pre-extension, improve the speed and dial-up speed, and p

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Allocates in advance the number is a highly effective call center necessary tool, the system in the database batch read telephone number, automatically according to the digit dialing regular batch digit dialing, after waits opposite party to put through returns according to in advance rule gives out

Pre-dial must-have tools for an efficient call center, the system database volume to read telephone numbers, automatic dialing rule bulk dialing, once connected to each other in accordance with the rules in advance call extension back, improved dial-up rate and time, and pre-dial number can be dynam

It is a indispensable tool of a high-efficient call center to dial in advance, the system reads the telephone number in the database in volume, dial in volume according to dialing rule automatically, go back set aside to extension according to pre- rule after the other side puts through, having impr