This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
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.