来源：http://www.jnsll.com 发布时间：2020-12-03 14:12:42 浏览次数：
1、 Sequence transfer of 400 calls: when the first user calls in, the system will call from the first number according to the sequence of the binding numbers; if the first number is busy or in a call, when the second caller calls in, the system will call directly from the second bound number in turn, and recurs accordingly.
2、 Random transfer of 400 calls: when there is an incoming call, the system randomly selects the number from the bound number to call. Of course, the busy number can not be called. Random transfer refers to transferring the call to the idle bound number.
3、 Circular transfer of 400 call: when the user dials the 400 number for the first time, the system starts to call down from the first bound number, the second call starts from the second bound number, and the third call starts from the third bound number.
First of all, 400 phones can be used for after-sales calls to save relay costs for enterprises. Every enterprise wants to have customer service like Telecom and bank, and guides customers to complete the service by telephone, which saves a lot of manpower; but the relay cost is expensive, and not all enterprises can afford it. The minimum cost of 400 telephone is only a few hundred yuan a year. The navigation function fully realizes the guidance service and saves a lot of relay costs. After sales telephone is also the most needed phone in the service industry. If the after-sales service is done well, word-of-mouth is naturally the icing on the cake.
The 400 telephone service has the characteristics of low investment and high return. Compared with the traditional telephone service, the cost has not increased, so it will bring the effective growth of economic benefits. 400 can bring more benefits to consumers through the telephone