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.
Bisatel terminaison voip sip iax.
bisatel callshop, call center.
Distribution de minutes voip à prix ultra discount.
Bisatel switch, solution de gestion de services voip pour clients.