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
Prime Time Telecoms Inc, is a privately-held telecommunications service provider and one of the leading companies in the rapidly growing VoIP interconnectivity market in Japan. A registered (ITSPs) and VoIP Wholesale Providers.