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.
A-Z Termination, A-Z Termination, Cloud-based Unified Communications Service Provider, did numbers provider, FREE Callshop Software, Hardware, Hosted PBX Service Provider, Hosted VoIP billing service provider, Incumbent PTT, International VoIP Wholesale P
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