1.选择正规的400电话代理平台，然后对400电话资费有一个详细的了解，这样的话你就不会吃哑巴亏啦，在费用这块详情可以咨询400客服。

1. Choose the regular 400 telephone agent platform, and then have a detailed understanding of the feiqicc.37ix.com.cnfeiqicl.37ix.com.cnbianpinqi.37ix.com.cndiaoke.37ix.com.cnshidiaodx.37ix.com.cn

shidiaofx.37ix.com.cn400 telephone charges, so that you will not suffer dumb losses, in the cost of this detail can consult 400 customer service.

2.办理400电话的时候不要一味的追求低价格，古话说的好“便宜无好货”，这一直是个醒目的真理，希望你可以受教。
2. When dealing with 400 telephone calls, don't blindly pursue low prices. As the old saying goes, "there is no good but cheap". This has always been a striking truth. I hope you can be taught.
3.400电话办理的时候一定要签订合同，合同能够保障双方的权益，所以说不要图方便，贸然行事，万事小心总归不会错的。
3.400 telephone processing must sign a contract, the contract can protect the rights and interests of both parties, so do not try to facilitate, act rashly, everything carefully will not be wrong.