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.
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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