This paper discusses the interworking of SS7 and IP network,then analyzes three networking styles of signaling gateway and the requirement for signaling gateway in these three styles.

• 介绍了软交换体系中SS7与IP网的互通方式,并在此基础上分析了信令网关的3种组网方式的应用及3种组网方式对信令网关的要求。