【文件属性】：
文件名称：Introduction to the IP Multimedia Subsystem
文件大小：150KB
文件格式：PDF
更新时间：2012-05-12 05:28:53
IMS
Introduction
Formally, the IP Multimedia Subsystem (IMS) is defined as:
“... a new core network ‘domain’ (i.e. a new mobile network infrastructure composed of a number
of discreet elements).”