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.
We are one of the leading wholesale VoIP Termination service providers in UK providing an efficient and most reliable VoIP service to Calling Card Companies, Call Shops, Call Centers, ISP/ITSP, Business Enterprise and more.
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