UK players used to top up casino accounts via their phone bills, often paying...

https://www.4shared.com/office/eOXvcFDdku/pdf-32590-82345.html

UK players used to top up casino accounts via their phone bills, often paying around £30 per transaction. Now, Faster Payments and mobile wallets make deposits quicker and cheaper. You can add as little as £10 and see funds almost instantly