日前,记者从科技部获知“信令交换系统”在深圳研制成功。据介绍该技术由深圳市纪元科技有限公司研制,该公司经过三年技术攻关,成功研发出信令交换系统,并顺利通过应用试验。该技术属国内首创,填补了国内空白。信令交换系统是下一代(NGN)软交换系统的核心,它独立于底层承载协议,主要完成呼叫控制、媒体网关接入控制、资源分配、协议 Recently, the reporter learned from the Ministry of Science and Technology “signaling exchange system” successfully developed in Shenzhen. It is reported that the technology developed by Shenzhen Century Technology Co., Ltd., after three years of technological research, the company successfully developed a signaling exchange system and successfully passed the application test. The technology is a national initiative, to fill the gaps in the country. Signaling exchange system is the core of next generation (NGN) softswitch system. It is independent of the underlying bearer protocol and mainly implements call control, media gateway access control, resource allocation, and protocol