This guide explains how to register an alphanumeric SMS Sender ID through the Cellcast platform.
From 1 July 2026, Sender IDs used in Australia must be registered through the ACMA Sender ID Register.
Ensure you have:
Access your Cellcast account.
Navigate to:
Register ID → Add Business Name
Complete:
Complete:
Review the information and submit.
The Sender ID status will display as:
Inactive
while the application is being processed.
The Cellcast Compliance Team reviews the application and may request additional information if required.
An email will be sent from:
to the authorised contact.
Click the secure link and:
Once approved by ACMA:
Yes. Digital ID (myID) is required to complete ACMA verification.
Check your spam and junk folders. If you still cannot locate it, contact Cellcast.
Most registrations are completed within a few business days after verification.
Initially, your Sender ID will display as Inactive until ACMA approval has been completed.
The authorised business contact listed on the registration request.
Contact the Cellcast Compliance Team for help with your Sender ID registration.