00电话已经成为目前市场发展中企业之间的必需品，也成为了很多公司企业的一个标志，目前的市场情况则是没有400电话的公司给人的感觉就好像不太专业，其次就是没有400电话的公司会让人产生疑问，在各大行业中无论哪个行业都在大量使用400电话，例如交通运输行业，例如机械制造行业，例如住宿餐饮以及计算机软件等，在国内的发展中使用400电话的行业也是比较多的，在世界五百强企业中也有很多上市公司基本上都使用了400电话，这样的好处则在于为用户分摊话费的同时也体现了用户至上的一种形式，最主要的则是体现了企业的形象。

00 phone has become the enterprise market development needs, has become a symbol of many companies, the current market situation is not 400 telephone companies to give people the feeling as if not too professional, then there is no 400 telephone companies will make people doubt, in the major industries no matter which industry is in the extensive use of 400 calls, such as transportation industries, such as machinery manufacturing industry, such as catering accommodation, such as computer software, using 400 phone in the country in the development of the industry is more, in the world top five enterprises in many listed companies are also basically use 400 telephone, such benefit is that users share calls also reflected a kind of form of the supremacy of users, the most important is the embodiment of the enterprise image.