第三，开通400电话可以为企业和客户节省更多的金钱。
Third, opening 400 phone can save more money for enterprises and customers.
我们都知道，400电话是电信所开发的具有全国统一的专业热线。全国各地都可以随时拨通，企业只要交纳少部分的钱就可以便宜的拨打客户的电话。而客户拨打400电话却可以是免费的，这样对于那些拨打电话进行咨询还得花费长途电话费的电话来说，肯定非常划算了。
As we all know, the 400 telephone is a professional hotline developed by the Institute of telecommunications. All over the country can dial at any time, enterprises as long as a small part of the money can be cheap to call customers. But customers can call 400 for free, so it's very cost-effective for those who have to spend a long-distance call for consultation.
第四，开通400电话，另一个好处就是，能够让企业的每一个电话都可以得到很好的处理。
Fourth, open 400 phones, another advantage is that every phone in the enterprise can be handled well.
作为客户，在使用产品或者是在购买产品之前多多少少都会有些疑问。此时，他们就会想到要拨打企业的电话进行询问。如果是私人号码，就很有可能遇到电话没电或其他特殊情况无法拨通，而400电话，却不会出现这样的情况，所以让企业的每一个电话都没有错失，客户的问题也得到相应的解决，这就大大提高了企业的服务质量，给客户留下更好的印象。
As a customer, there will be some questions about how to use the product or how to purchase it. At this time, they will think of calling the company for inquiry. If it's a private number, it's very likely that the phone is out of power or other special circumstances can't be dialed, while the 400 phone will not be in such a situation, so that every phone of the enterprise is not missed, and the customer's problems are solved accordingly, which greatly improves the service quality of the enterprise and leaves a better impression on the customer.