IP多媒体子系统(IMS)作为固定接入和移动接入的统一核心控制网络，采用控制和承载、控制和业务相分离的机制，网络能力得到很大增强。
The IP Multimedia Subsystem (IMS), as the core control for fixed and mobile access, enhances network capabilities, by separating control functions from bearer and services.
软交换通过业务交换子系统，向业务平台充分提供其自身的网络能力，对多方多媒体业务的开发提供强大支持。
Softswitch provides its network capability for Application Server through the service switch subsystem, gives strong support for developing multimedia services.
软交换通过业务交换子系统，向业务平台充分提供其自身的网络能力，对多方多媒体业务的开发提供强大支持。
Softswitch provides its network capability for Application Server through the service switch subsystem, gives strong support for developing multimedia services.
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