普通电话：同一时间只能接听一个来电，并且若在外地拨打还需支付长话费，没有管理后台，如需查询通话清单需向运营商申请。

Ordinary phone: at the same time, you can only receive one call, and if you dial in the field, you will have to pay long charges, no management background. If you need to inquire the call list, you need to apply to the operator.

400电话：相当于呼叫中心，即：一号多机，接听来电不容易占线且有非常强大的交互式语音及自动呼叫分配功能。400号码国全唯一，不需要加拨区号，有效提升企业形象，强大的管理后台，方便企业随时查询通话清单、录音、留言等，是企业成功的必要平台。

The 400 phone is equivalent to the call center, that is, the first multi machine. The incoming call is not easy to line up, and has a very strong interactive voice and automatic call distribution function. 400, the number of the country is the only one. It doesn't need to dial the area code, and effectively enhance the corporate identity, strong management background, convenient for enterprises to inquire the listings, recording and messages at any time. It's a necessary platform for the successful business.