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.
ISD Call is one of the leading VoIP (Voice over Internet Protocol) Service Provider specialising in Internet Telephony Solutions for various businesses, Our vision is to emerge as a major VoIP Service Provider by integrating telephony system with the cont
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