Submit your request using My Sentrian
https://my.sentrian.com.au/
The My Sentrian portal allows you to report a problem, request service, and see your all of your ticket updates all in one convenient location. To discover how My Sentrian can assist you, please see below links:
Complete an online Service Request
This will create a ticket for your request and you receive an email to confirm.
Call 1300 791 678 (+61-7-33697666)
If your request is urgent, or you require immediate after-hours assistance, please use this method to ensure a timely response.