公司作为西门子工业以太网交换机在西北市场的唯一代理商，也面临同样的问题。
M corporation, also facing the same problem, as the unique agent of Siemens Industrial Ethernet switches in Northwest market.
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.
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.
然后介绍了西门子移动d 900交换机的硬件和7号信令如何在西门子移动d 900交换机上实现。
Then introduces the Siemens Mobile Switch D900 hardware and how CCS7 comply at the Siemens Mobile Switch D900 platform.
然后介绍了西门子移动d 900交换机的硬件和7号信令如何在西门子移动d 900交换机上实现。
Then introduces the Siemens Mobile Switch D900 hardware and how CCS7 comply at the Siemens Mobile Switch D900 platform.
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