哪里有最好的VOIP信息资源?
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哪里有最好的VOIP信息资源?

维基百科中有许多有关VOIP的文章。欲详细了解VOIP,最好从以下文章开始:

http://en.wikipedia.org/wiki/VoIP

在此文章中,您可以发现大量链接,带给您许多与VOIP有关的内容。