On this page
For telcos and message providers
Steps to apply
Register user guides
- ACMA Assist registration guide
- SMS Sender ID Register: User guide for telcos
- SMS Sender ID Register: User guide for certified telcos
Fact sheets
Regulatory instruments
- Telecommunications (SMS Sender ID Register) Industry Standard 2025
- Explanatory Statement to the Telecommunications (SMS Sender ID Register) Industry Standard 2025
- SMS Sender ID Register (Application, Access and Administration) Determination 2025
- Explanatory Statement to the SMS Sender ID Register (Application, Access and Administration) Determination 2025
For businesses and organisations
Register user guides
Fact sheets
For mobile phone users
Fact sheets
How the SMS Sender ID Register works
Web guidance
- About phone and SMS scams
- See our scam alerts