It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Founded in 2001, Green path Technologies Co.,LTD. is one of the fastest developing companines in today`s Information Technology industry. We begun our business with the mission to deliver excellent VoIP infrastructure to inhabitants and entrepreneurs, sim
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