Along with the development and popularization of Internet technology, VOIP technology matures, voice quality achieve traditional effect, based on the data communication network, using compression technology, reduce the international and domestic long-distance telephone expenses, realize point-to-point calls for free, unlimited communication, this article bring a few Lobos yi yun SkyMe series product introduction and testing technology, this series of products can achieve by Skype VOIP related functions, before the test for you simply tell about the working principle of VOIP and advantage,
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