IMS technology is the developmental tendency of the telecommunication network. Based on the CDMA network

this article narrates the developmental processes of softswitch and IMS. Then by introducing the development of LMSD and MMD and the relationship between them

the article concludes the strate- gic of the introduction of the IMS technology in CDMA network. At last

with a detailed example

this paper discusses the strategic and steps of introducing IMS technology in CDMA network.