本文介绍的就是7号信令在西门子移动d 900交换机的应用。

This thesis is about the CCS7 applications at Siemens D900 switch mobile.

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西门子移动d 900交换机是基于传统2g网络的交换机，符合7号信令规范，在我国有着非常广泛的应用。

Siemens Mobile Switch D900 is based on traditional 2g networks, accord to CCS7 standards, has a very wide range of applications in our country.

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因特网的网络控制装置(可以是一个分开的路由器或交换机)，一般都用于七号信令网络和多个网络接入交换机之间。

An Internet network control device, which could be a separate router or switch, is typically used between the SS7 network and multiple net access switches.

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