How are payments taken? How can I pay an Invoice?

Payments will be taken automatically by direct cebit or stored credit/debit card if there is a payment method already in place. 

To set up a payment method or make a one off payment you can log on to your online account 

https://portal.barritel.com/cardmanagement.php and click on view and pay the relevant invoice and then selecting 'click here to pay this invoice'.