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.
WebPhone, a provider of voice over Internet Protocol (VoIP) technology, was founded in 2002. WebPhone provides PC2Phone calling service using a worldwide VoIP network. The company is based in Portugal and recently opened sales and customer service offices
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