"Sakura Dial" is a discounted calling service for Domestic calls and International calls to selected destinations. If you add the Prefixed number (0077-502-010) for your dial, the calling rate will be cheaper. "SakuraDial application" automatically adds prefix number to the calls made in the application. This application cannot be used for domestic calls. To learn about Sakura Dial, please refer to https://www.sakuramobile.jp/calling-rates/ - License / Terms of Service For licensing and terms