call-out

noun

1. 应召出勤；上门服务
   an occasion when sb is called to do repairs, rescue sb, etc.
   1. a call-out charge
      上门服务费
   2. ambulance call-outs
      救护车出车

1. Emergency call-out drill to enhance mobile capability.
   紧急拉动，提高机动能力。
2. About the multimedia function of call center system, the author explain the realization of Text Chat 、 Escort 、 Call Back 、 Click to Dial function and Email call-out.
   在实现呼叫中心的多媒体功能方面，本文就文字交谈、点击通话、回呼请求和护航浏览四项功能的实现进行详细、全面的描述，并给出了Email呼出的具体实现方法。
3. Study of Active Call-Out Scheme Aimed at Call Center
   针对呼叫中心的主动外呼方案的研究
4. With the rapid development of the mobile communications industry, the importance of call-out service in telemarketing is more and more prominent.
   随着移动通信事业的迅速发展，电话销售外呼服务的重要性日益凸显。

noun

1. a challenge to a fight or duel