Also, the hardware circuit-switched networks need to run effectively are extremely expensive, mostly because voice and data services must be supported on different wires.
另外，硬件电路交换网要办切实极为昂贵，因为大部分语音和数据服务就必须支持不同的绳索。
2
Cell phones already have a very low latency digital data path - the circuitswitched channel used for voice.
手机上已经存在一个低延迟的数字数据路径—用于语音的线路信道。
3
The Voice Call Continuity (VCC) -based IP Multimedia Subsystem (IMS) solution can accomplish CircuitSwitched (CS) -ims handover and is a approach to Fixed-mobile Convergence (FMC).