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。