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.
Based in California, USA, MamaKall Communication Inc. is an innovative pioneer in value added telecommunication service field especially focusing on VOIP devices research and development. The company has experienced dramatic growth since its incorporation
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