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
VoiceIP-USA Incorporation a company incorporated in USA ,whose registered address is World Trade Centre Delaware, 802 West Street, Suite 105, Wilmington, Delaware 19801