咨询业，是对第三产业中以咨询服务为特点的各种行业的总称。因其特点为智力型服务，也被人们称为“头脑产业”。作为一种智力密集型的知识服务性产业，咨询的现代意义是指来自个体和组织外部的专业化技能，它以专业的知识、信息、经验为资源，针对不同的用户需求，提供解决某一问题的方案或决策建议因此，选择一款好的通信增值业务很是重要！400电话如今已是企业在发展过程当中不可或缺的一项办理业务了，对于企业发展的用处是其他通讯工具无法替代的。不过最近许多发生了许多的电话诈骗事件，导致很多人都开始不信任400电话了，其实，那些诈骗的电话都是些不正规的小企业在钻空子，并不是真正的400电话，因为400电话开通流程还是比较正规的，需要提供各种审核资料，资质不全的企业是无法办理的。
Consulting industry is a general term for various industries characterized by consulting services in the third industry. Because of its characteristics, intelligence service is also known as the "brain industry". As a kind of intelligence-intensive knowledge service industry, the modern meaning of consulting refers to the specialized skills from the outside of individuals and organizations. It takes professional knowledge, information and experience as resources to provide solutions or decision-making suggestions to solve a certain problem according to different user needs. Therefore, it is necessary to choose a good value-added communication technology. Business is very important. 400 telephone is now an indispensable part of the business process in the development of enterprises, for the development of enterprises is the use of other means of communication can not be replaced. However, there have been many phone fraud incidents recently, resulting in many people began to distrust the 400 phone, in fact, those fraudulent calls are irregular small businesses in the hole, not the real 400 phone, because 400 phone opening process is still more formal, need to provide a variety of audit information, capital. Incomplete enterprises are unable to handle.