Configurations of GSM/VoIP networks allow the service providers to avoid the local Wired Public Switched Network (PSTN) in communication with a GMS mobile handset. As a result, the high rates charged by telephone companies are avoided.
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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