企业和公司在在办理400电话业务后当然是为了提高企业信誉、服务态度和方便规范管理的，正规的400电话是只负责接听消费者的电话来处理售后问题而不做外呼使用的，像是政府机关更不会去选择400电话作为服务热线，所以当您平时接到400电话开头的号码，一定要引起警觉，这极大可能是个广告推销或者诈骗电话，要正确选择处理它的方式;另外一个方面就是企业或者公司会选择正规的途径去做一个400电话申请的业务，一般来说就是通过三大运营商去办理自己所需，在办理的时候要带着经办人本人身份证、单位加盖公章的组织机构代码证或者营业制造副本，更为严格的则需要企业公章和财务章，只要是这些证件哪怕少一个都不能顺利办理，所以说进行400电话申请是严格而不易的。

Enterprise and company for 400 telephone service in the post is of course in order to improve the credibility of enterprises, service attitude and convenient management, regular phone 400 is only responsible for answering the telephone consumers to deal with customer service issues and do call use, like the government not to choose as 400 telephone service hotline, so when do you usually received 400 telephone numbers beginning must be vigilant, this may be a great advertising or telephone fraud, we should choose the right way of dealing with it; on the other hand, enterprises or companies will choose the formal way to do a 400 call for business, generally by means of the three operators to deal with their own needs, in the process of time with my handling of organization code certificate, identity card or business unit stamped copy of manufacturing, more Strictly speaking, business charter and financial chapter are needed. If only one of these documents is less than one, it can't be handled smoothly, so the application of 400 phone calls is strictly and not easy.