VIVA offers IP based Converged Communications Solutions. You may contact VIVA for SIP Trunking, IP PBX & PSTN integration, MS OCS & IP PBX integration, Managed VoIP and ''''Secure'''' VoIP.
One of the leading VoIP operators od Russia and Israel. A large number of services is provided for a reasonable price. Visit us at comtube.com
Read more