UMTS将为未来的信息系统提供业务平台,整个通信界都支持这一发展趋势。技术将不再被看作是问题,而是被看作是业务创新、业务多样化和业务区分的驱动力,UMTS将代表当前大多数移动网络基础设施自然演进的趋势。文章首先给出了UMTS业务体系结构,研究了UMTS的业务分类,分析了UMTS应用开发原理,最后给出了UMTS的业务特征。 UMTS will provide the business platform for the future information system, the whole communication community supports this development trend. Technology will no longer be seen as a problem, but rather as a driver of business innovation, business diversification and business differentiation, and UMTS will represent the natural evolution of most of today’s mobile network infrastructures. The article first gives the UMTS business architecture, studies the business classification of UMTS, analyzes the UMTS application development principle, and finally gives the business characteristics of UMTS.