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.
GSI was funded in 2003, to meet the growing demand of corporative telecom services between the world and Dominican Republic, provides dedicated origination and termination,as intermediaries in ALL areas in the Dominican Republic and USA, with more areas b
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