Softswitch is a function entity. It provides call control and access control of real time service. It is the kernel of NGN's call and control.

软交换是一种功能实体，为下一代网络（NGN）提供具有实时性要求的业务的呼叫控制和连接控制功能，是下一代网络呼叫与控制的核心。

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In physical plane, Service logic programs may be installed into and executed by any physical entity that contains that Service Control function (SCF) functional entity.

在物理平面中，包含业务控制功能(SCF)的物理实体执行业务逻辑程序。

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The Softswitch is the the NGN control function entity, it provides the call and connect control function to timely request service for NGN, and is the call and the control core in NGN.

软交换是NGN的控制功能实体，为NGN提供具有实时性要求的业务呼叫控制和连接控制功能，是NGN呼叫与控制的核心。

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