For Australia only.
Accessing the Spacetalk Mobile Portal is easy.
You will need to go to our Mobile Portal: https://mobile-activate.au.spacetalk.co.
Login using your Account Number
If you are having issues logging in, make sure you use the correct username.
Your username to your Mobile Portal is with your Account Number. Your account number is a 9-digit number and should start with '200'.
If you have an active mobile plan, you can also use the mobile number of your service.
DO NOT USE your email address. Only use your service mobile number or the account number.