400電話是由企業申請，向客戶提供售前咨詢、技術支持、售后服務、銷售訂購的一種商務熱線。400電話辦理所發揮的作用主要用來提升企業形象、宣傳品牌、提高客戶滿意度、增加購買概率、重復銷售和交叉銷售的機會。企業在市場中做到突破營銷，品牌信息的傳播就成為營銷的前提。400電話從進入市場，就顯示出具有傳播廣泛、市場接受力強的特點。有了400電話的信息傳播，企業形象與品牌就可以“隨波逐流”，真正實現市場中的流動。當企業有了市場形象、有了品牌影響力，那么就會對營銷產生直接的推動作用。為什么許多企業重視品牌宣傳，就是因為市場發展已進入了品牌時代，而宣傳品牌400電話就是最好的載體。

400 telephone is a business hotline provided by the enterprise to provide customers with pre-sale consultation, technical support, after sale service and sales order. 400 the role of telephone management is mainly used to enhance the image of the enterprise, to promote the brand, to improve the customer satisfaction, to increase the probability of purchase, to repeat the sales and to cross the sale. Enterprises do breakthrough marketing in the market, and the dissemination of brand information becomes the premise of marketing. 400, from entering the market, the telephone shows the characteristics of wide spread and strong market acceptance. With the spread of information on 400 phones, corporate image and brand can "drift with the tide" and truly realize the flow in the market. When an enterprise has a market image and brand influence, it will have a direct effect on marketing. Why many enterprises attach importance to brand promotion is because the market development has entered the brand age, and the 400 phone of publicity brand is the best carrier.