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
Phonekall is a leading telecom service provider that deals with the VoIP services. It offers the clients with advanced technology solutions for making calls globally with enhanced functionality and support.
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