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.
Keyhan Telecom Inc. is a wholesale carrier company that is specialized on termination and origination services for “mobile and landline around the globe. We are a wholesale carrier based in Toronto, Canada.
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