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为了满足现代电信网用户灵活的组网要求,程控交换机需要提供多种号码变换技术供用户选择。现简介EWSD交换机号码变换的原理,对其进行分析,比较其使用上的差别,并以目前EWSD V15版交换机为平台,对主要的号码变换方法进行举例应用,为在工作中能够活学活用号码变换提供借鉴。
In order to meet the requirements of modern telecom network users flexible networking, program-controlled switches need to provide a variety of number change technology for the user to choose. Now introduce the principle of EWSD switch number change, analyze it, and compare the difference on its use. Taking the current EWSD V15 switch as a platform, we will give an example application of the main number change method, Transform to provide reference.