软交换涉及的产品主要有负责核心控制的软交换设备、应用服务器、媒体服务器、接入网关、中继网关、信令网关、IAD设备。
Products softswitch involves mainly include: softswitch equipment for core control, application server, media server, access gateway, relay gateway, signaling gateway, and IAD equipment.
它不是单一的一种技术，而是综合了通讯网络的多种技术在内的一个系统，包括了信令协议、语音编解码、媒体传输和网关控制。
It is not a single but a system integrated with several technologies constructing communication network, including Signaling Protocol, Voice Codec, Media Transport and Gateway Control.
在软交换网络体系中，IP中继媒体网关完成电路交换网侧与IP分组网络侧媒体流的转换，同信令网关一起完成电路交换网与IP网络的互通。
Trunking Media Gateway transmits media stream between IP and circuit switching networks, implements interworking of IP and circuit switching networks with signaling gateway in Softswitch network.
在软交换网络体系中，IP中继媒体网关完成电路交换网侧与IP分组网络侧媒体流的转换，同信令网关一起完成电路交换网与IP网络的互通。
Trunking Media Gateway transmits media stream between IP and circuit switching networks, implements interworking of IP and circuit switching networks with signaling gateway in Softswitch network.
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