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.
NETFONIC S.A. de C.V. es una empresa mexicana, conformada por personal altamente profesional, con amplia experiencia en sistemas de telefon
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