1997年初我国第一套大型标准智能网系统——CIN高级智能网络在北京地区军网上顺利开通,这标志着我国在智能网技术开发与应用方面取得了重大进步,它结束了我国电信市场上没有自己的标准的智能网产品的历史,将彻底改变靠投巨资引进设备被动建网的局面,同时揭开了靠我国自有技术经济建网的新篇章。 In early 1997, China’s first large-scale standard intelligent network system - CIN advanced intelligent network successfully opened in the Beijing area military network, which indicates that China has made great strides in the development and application of intelligent network technology. It has ended the lack of The history of its own standard intelligent network products will completely change the passive construction of the network by introducing huge amounts of money and introduce the new chapter of building a network based on our own technology.