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
http://www.voip-boom.com Originally founded in 2004 as Champion Communications, NexBoom is headquartered in Greenville, South Carolina. In the early days of the company, Champion became an industry leader in the promotion of Voice over Internet Protocol (
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