在中心节点对来自中心功能丰富且通 常更可靠的核心网交换的呼叫及业务继续进行管理的同时，对呼叫进行本 地路由。

Calls are routed locally while the central nodes continue to manage calls and services from central feature-rich and typically more reliable switches of a core network.

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其中移动交换机在核心网中又占据了最核心的位置，它主要负责通信管理功能，即呼叫处理功能。

And the MSC(Mobile Switch Center) plays a very crucial role in it, with its main responsibility is to do the communication management.

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