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.
The YACKIE Mobile SIM card ensures the lowest pricing for the business traveler anywhere in the world, while maximizing convenience. Pay no more additional roaming charges to your mobile operator. The same low pricing applies to accessing your voice mail
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