No. Online billing means that you can manage your BT landline and broadband bills securely online, through the BT.com website. You may also choose to stop receiving paper bills completely.
Paying your bill online is just a method of paying your bill, whether it's an online bill or a paper bill. It's quick, easy, and you don't even need to log in to your account to do it.
Want to pay your bill online now? Click Can I pay my bill online now?