Instalamos centralitas VOIP que se integran con líneas analógicas, RDSI, móviles o VOIP consiguiendo el mejor precio posible en el gasto en telecomunicaciones.
O.S.S Corporation began to offer IP telephony and Internet services in the middle of 1999 year. In spring of 2000 it was on the top of independent ratings of the Russian IP telephony operators. Nowadays company owes the most powerful access pool to provid
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