Sender IDs and sender setup

What is a sender? The sender is what the recipient sees as the “From” on your SMS. Choosing the right sender affects: whether customers can reply where replies are delivered how conversations

Yes - Mobile Message can register your sender ID in the ACMA Sender ID Register and we can fast-track most applications. Australia is introducing a national SMS Sender ID Register to reduce spoofing

After your first credit purchase, Mobile Message provides you with a free dedicated Australian mobile number. This number is yours exclusively and lets you receive replies in the Messenger.

You can register a sender ID with Mobile Message even if your organisation doesn't have an ABN, as long as you're listed on an official government register. Email us with your registration details and we'll set it up on your account.

Mobile Message is an ACMA Certified Provider that can register your sender ID on the ACMA Sender ID Register, even when ABN contact details are outdated or the authorised person is hard to reach. Complete the 2026 registration process in minutes.

A custom sender ID lets your business name appear as the sender on SMS messages. Here's how to add one and what to expect during the registration process.

Received an email from ACMA saying your business has been "approved to participate" in the SMS Sender ID Register? This does not mean your sender ID is approved yet. Here's what the email actually means and the step you may still need to complete.

Some sender ID applications require you to log in to ACMA Assist and confirm the registration yourself. Here's how to access the register and approve your sender ID.

After you complete your custom sender ID registration, it usually takes up to 24 hours before it's ready to use. Here's why, when the clock starts, and what to expect.