The 21st century is the beginning of the transition of telecommunication industry. The central point is the transition from taking network technology and product at the center to customers ' service, which is to provide multiple-service and all round service to the customers. 21世纪是全球电信业转型开始,转型的实质是从以网络技术为中心、产品为中心向以客户服务为中心转变,以客户为中心就是为客户提供多元化全方位的综合服务。