从贷款、炒股、卖保险、卖房......各类骚扰电话五花八门打爆我们的手机，大多数人基本都选择把骚扰电话拉黑了事，避免下一次的骚扰电话。但是，如果是我们企业400电话遇到骚扰电话，不仅耽误的是我们客服工作，损失的还有我们400电话的话费。那么企业用户应该如何在后台把主叫号码加入黑名单呢？
From loans, stock speculation, selling insurance, selling houses... all kinds of harassment calls explode our mobile phones, most people basically choose to blackmail the harassment calls, to avoid the next harassment calls. However, if our company 400 phone encounters harassment calls, not only delay our customer service work, the loss of our 400 phone charges. How should the user of the enterprise join the blacklist in the background?
一键设置黑名单操作指南
A key to blacklist operation guide
企业400电话用户管理人员把“通话详单”的快捷方式放在个人桌面，进入“通话详单”界面就能看到近期的主叫号码，如果是骚扰电话，直接点击“加入黑名单”即可。
Enterprise 400 telephone user management personnel put the "call details" shortcut on the personal desktop, enter the "call details" interface can see the recent calling number, if it is harassment calls, directly click "join the blacklist" can be.
常规黑白名单管理操作
Routine black-and-white list management operation
企业400电话用户也可以点击：“通话管理 >> 通话设置 >> 黑白名单设置”；点击【新增白名单】或者【新增黑名单】，填写【主叫号码】，点击保存即可。企业用户设置了白名单，则在白名单中的用户号码会优先接入，这样“VIP”客户不容易漏接哦！~
Enterprise 400 telephone users can also click "Call Management > Call Settings > Black and White List Settings"; click "New White List" or "New Black List", fill in "Caller Number" and click Save. Enterprise users set up a white list, the user number in the white list will be preferential access, so that "VIP" customers are not easy to miss oh! ~
400电话的黑名单功能既能帮助企业有效节省话费，又可以减少电话客服的工作量，避免真正有需求的用户因忙线而无法接入的情况。
The blacklist feature of 400 telephones can help companies save telephone bills effectively, reduce the workload of customer service, and avoid the situation that the users who really need it can not access because of busy lines.