Hardware, Hosted VoIP billing service provider, International VoIP Wholesale Provider, Internet Telephony Service Provider, Internet VoIP and Video Conferencing Service Provider, Network Service Provider, SIP Billing, Voip consulting, Voip Termination ISP Call Relay VoIP Solutions, Call Routing VoIP Solutions, Consultancy Services, E1 Bulk Wholeseller, H.323 VoIP Gateway, H.323 Wireless/ GSM VoIP Solutions, Installation and Support Services, IP devices, Partnering for Origination and Termination, PC to Phone, Phone To PC,Predictive Dilaer Installation
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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