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.
Citel''s Portico TVA enables organizations to deliver high-value Voice over IP features and applications to digital and analog PBX telephones already working and in place over existing infrastructure. Enterprises avoid the need for expensive network asses
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