IP multimedia Subsystem (IMS) is a set of specifications that describes the Next Generation Networking (NGN) architecture for implementing IP based telephony and multimedia services.

IP多媒体子系统(IMS)是一组规范，描述用于实现基于IP的电话和多媒体服务的下一代网络(NGN)体系结构。

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The Voice Call Continuity (VCC) -based IP Multimedia Subsystem (IMS) solution can accomplish Circuit Switched (CS) -ims handover and is a approach to Fixed-mobile Convergence (FMC).

基于IP多媒体子系统(IMS)的语音呼叫连续性解决方案是实现固定移动融合(FMC)的一种方式，可以实现从电路交换方式向IMS方式的过渡和演进。

youdao

The Voice Call Continuity (VCC) -based IP Multimedia Subsystem (IMS) solution can accomplish Circuit Switched (CS) -ims handover and is a approach to Fixed-mobile Convergence (FMC).

基于IP多媒体子系统(IMS)的语音呼叫连续性解决方案是实现固定移动融合(FMC)的一种方式，可以实现从电路交换方式向IMS方式的过渡和演进。

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