Pay-by-phone transactions let you buy digital goods or services quickly by...
https://ace-wiki.win/index.php/Can_Carrier_Billing_Help_Users_Who_Do_Not_Want_Banking_Apps%3F
Pay-by-phone transactions let you buy digital goods or services quickly by charging the amount directly to your monthly phone bill or prepaid credit. It’s a simple way to pay without entering card details, especially handy on mobile devices