论文部分内容阅读
HJD04数字程控交换机从1991年设计定型至今,从试制产品到批量生产,累计销售700万线以上。通过网上3000多个局的运行,技术已趋成熟,软件版本从V1.0、V2.0、V3.0、V3.01发展到V4.0,功能大大增强,能良好地满足公网/专网用户的使用要求,已拥有支撑现代通信网持续发展
HJD04 digital program-controlled switches from 1991 design stereotypes so far, from the pilot product to mass production, the cumulative sales of more than 700 million lines. Through the operation of more than 3,000 online offices, the technology has become more mature. The software version has evolved from V1.0, V2.0, V3.0 and V3.01 to V4.0. The function is greatly enhanced and the public network / The requirements of network users have already supported the sustainable development of modern communication network