一、我国电信行业的基本情况近几年,尤其是近五年,我国通信业务市场规模扩大了7倍多,业务总量年均增长48.4%,平均每年新增局用电话交换机近1900万线,新增长途光缆干线2.8万多公里,移动电话用户平均每年翻一番以上,数据通信网络已基本成型。到1998年8月底,全国公用网络局用电话交换机总量已超过1.2亿线,覆盖东西南北的“网络型”长途光缆网基本建成,长度达到16万多公里,加上本地光缆线路,总长度近100万公里。全国电话用户已超过1亿户,其中移动 First, the basic situation of China’s telecommunications industry In recent years, especially in the past five years, China’s communications market expanded more than 7 times the size of the total volume of business with an average annual growth of 48.4%, an average annual increase of nearly 19 million telephone exchange office , More than 28,000 kilometers of long-distance fiber optic cable trunk lines were added, and the average number of mobile phone users more than doubled each year. The data communication network has basically taken shape. By the end of August 1998, the total number of PSTN telephone exchanges in the country had exceeded 120 million lines. The “network-type” long-distance optical cable network covering east, south west and north China was basically completed with a length of more than 160,000 kilometers. Coupled with the local optical cable lines, The total length of nearly 1 million km. National phone users have more than 100 million households, of which mobile