UK players used to top up casino accounts through phone bill deposits, often...

https://wiki-tonic.win/index.php/What_Is_the_Minimum_Deposit_on_MrQ%3F_Is_It_%C2%A310_for_Every_Method%3F

UK players used to top up casino accounts through phone bill deposits, often limited to £30 per transaction. Now, Faster Payments and mobile wallet options let users add funds quickly and securely with as little as £10