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.
Wuchuan Network Technology Co., Ltd. is set up in 2002 which is a leading high-tech enterprise in IP Communications in China, Wuchuan provides the professional VOIP solutions for the enterprises, provides the softswitch and equipments for VOIP telecom car
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