Voice over Internet Protocol (VoIP) calling is most convenient when using a mobile phone. BlackBerry users have plenty of choices when it comes to picking a VoIP app that is compatible with their phones so that they can take the convenience of VoIP calling with them anywhere.
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.