Click on the link to go directly to the Login page: https://members.fantel.com.au/index.php?rp=/login
1. Enter your email address and the password.
2. Put a tick in the I'm not a robot tick box.
3. Then click the Login button.
And you will enter the Members Dashboard.
From here you can:
Pay an Invoice -> https://helpdesk.fantel.com.au/en/knowledgebase/article/how-to-pay-an-invoice-in-members-portal