ISD Call is one of the leading VoIP (Voice over Internet Protocol) Service Provider specialising in Internet Telephony Solutions for various businesses, Our vision is to emerge as a major VoIP Service Provider by integrating telephony system with the cont
We offer you the ultimate quality of VoIP calling facility at very economical rates and thus We help you to grow saving your investments.a major VoIP Service Provider by integrating telephony system with the contemporary online world. We offer you the ultimate quality of VoIP calling facility at very economical rates and thus We help you to grow saving your investments.
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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