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IP电话经营所蕴含的巨大商机正吸引众多的中外电信企业.该文阐述了IP电话的技术原理 ,发展前景 ;对IP电话的国际、国内特别是西安市场进行了分析和预测 :对国家有关IP电话经营政策的走向予以评测 ;提出了竞争性电信企业从事IP电主知经营的可选方案.“,”The operation of IP phone is attracting a lot of telecommnication companies in china and foreign country for the great opportunity of business in primitive period in China. This paper describes the technical principle of IP and its development feature, analyses the IP market in China, especially in Xian, forecasts the tendency of policies about IP phone, brings out the operative program of the competitive company of IP phone.