软交换技术是近几年的一个热门话题。不少厂商已开发出了自己的软交换产品,基于软交换技术的下一代网络的试验也正在进行。本讲座将分3期对该技术进行介绍:第1期讲述软交换提出的背景、软交换的体系结构、功能及其对外接口;第2期对软交换与下一代网络的关系以及基于软交换的开放业务提供进行介绍第3期介绍软交换的应用和产品情况。 Softswitch technology is a hot topic in recent years. Many manufacturers have developed their own softswitch products, based on the next generation softswitch network testing is also ongoing. This lecture will introduce the technology in three phases: the first one describes the background of softswitch, the architecture and functions of softswitch and its external interfaces; the second part discusses the relationship between softswitch and next generation networks and the architecture based on softswitch Introduction to the Open Business to introduce the third phase of softswitch applications and product situation.