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Историческую версию Onyx Dialer можно получить на Android
Onyx Dialer - это мобильное приложение для дешевых международных звонков.
Onyx is a mobile application, which allows users to make VoIP calls from mobile phones. For using this app, end users will need an Operator Code, which they can obtain from a VoIP Service Provider.
Features:
Integration with mobile phonebook
Balance information: You can check their account balance on the mobile