In the UK, casino deposits by phone bill used to let players add up to £30 per...

https://juliet-wiki.win/index.php/Why_Did_Phone_Bill_Deposits_Get_Extra_Scrutiny_After_the_Credit_Card_Ban%3F

In the UK, casino deposits by phone bill used to let players add up to £30 per transaction but had limits and delays. Now, Faster Payments and mobile options like Apple Pay let you deposit from as little as £10 instantly