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.
Providing:
Telephone Terminals
Broadband Gateways
Relay Proxy
Routers
GSM VoIP Gateways
GSM VoIP
Radio over IP
RoIP