A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
With a view to the trend for the Internet to converge data, voice and video, VuTek Inc. is established. Now, over 10 years experience, we saw the convergence is getting solid and rich, and this trend is obviously setting up and is changing our daily life.
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