At first, this paper introduces the research of overload control of MGW in Soft-Switch, and also introduces the research result of overload control technique in existing and various networks.

• 本文首先介绍了软交换体系下媒体网关过载控制的研究现状，同时也介绍了现有的多种网络结构下的过载控制技术的研究成果。