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.
Cloud-based Unified Communications Service Provider, International VoIP Wholesale Provider, Internet VoIP and Video Conferencing Service Provider, Roaming Free International SIM, Voip consulting
VoIP Services: Call shop solution, Collaboration, H.323 Vo