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.
The MultiVoIP FX SIP gateway ensures fax and toll free voice communications over the IP networks. With integration of fax and voice into you already existing data network, you can make achieve substantial savings on internal office long distance toll charges.