Carrier billing lets you buy things using your mobile phone account. Instead of...

https://www.thecoastlandtimes.com/sponsored-content/pay-by-phone-how-carrier-billing-quietly-became-an-everyday-payment-method-4a6c068e/

Carrier billing lets you buy things using your mobile phone account. Instead of a credit card, purchases are added to your monthly phone bill or taken from your pay-as-you-go credit