This is a Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP) by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and Unified Communications facilities
IDP
NGN Consulting has focused on the wholesale carrier opportunities resulting from the rapidly growing demand for capacity between the United States and international niche markets. NGN Consulting has delivered a wide range of IT and communications advice
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