Standard ADSL Billing:
You are billed immediately when you signup/upgrade, for the full amount of the package you choose. ALL DSL accounts are NOT charged pro-rata.
You will pay for the full month on activation,as well as the subscription for the next month, even if the activation date is the last day of the month. You'll receive your full data cap for the month.Your next invoice date will always be the 1st of every month.
Pre-Paid Bandwidth Billing: Billing for Pre-Paid bandwidth only takes place once. You choose your next billing date as you would only be charged again when you top-up.