000, pronounced Triple Zero, is Australia’s national emergency telephone number used to connect callers to police, fire, and ambulance services. It is accessible nationwide, including the Australian External Territories, and managed under the oversight of the Australian Communications and Media Authority (ACMA). The system ensures immediate response for life-threatening or time-critical emergencies, providing a vital public safety network across urban and remote regions.
Overview of the 000 System
When a caller dials 000, the call is first answered by the Telstra Emergency Access Service Point. Telstra operators determine the required service — police, fire, or ambulance — and route the call to the appropriate state or territory dispatch center. For individuals with hearing or speech impairments, emergency access is also available through 106 via text telecommunication devices.
International emergency numbers such as 112 (from mobile and satellite phones) automatically redirect to 000, ensuring universal access. Unlike regular calls, 000 can be dialed without a SIM card or credit, and it will connect using any available mobile network through national camp-on arrangements.
History
Before 1969, Australia lacked a unified emergency number. Each service maintained separate local contact numbers, often causing delays during crises. The Postmaster-General’s Department introduced the 000 system in 1961, expanding it throughout the 1960s to ensure nationwide coverage.
The number 000 was chosen for its technical suitability in remote exchange systems, especially in outback regions of Queensland, and because the digit “0” was easy to locate and dial in dark or smoky environments. The system is now maintained by Telstra, which succeeded the Postmaster-General’s Department and Telecom Australia.
How to Call 000
Calls to 000 are free, and the system is designed to operate even during partial network outages. If a caller’s mobile network is unavailable, the call automatically transfers to another carrier.
Key features include:
- Automatic location tracking via Advanced Mobile Location (AML) on smartphones.
- Language interpretation services connecting non-English speakers to the correct emergency department.
- Support for 4G and VoLTE devices, as older 2G and 3G networks are no longer supported.
Answering and Dispatch Process
Upon dialing 000, a recorded voice announces: “You have dialled Emergency Triple Zero, your call is being connected.”
The Telstra operator asks whether the caller requires police, fire, or ambulance and identifies the state or territory. For landline users, location details are automatically retrieved, while mobile users may be geolocated through AML and network data. Operators verify the exact address verbally to ensure accurate dispatch.
In Victoria, emergency call-taking and dispatch are managed by Triple Zero Victoria (formerly ESTA), which coordinates Victoria Police, Ambulance Victoria, and Fire Rescue Victoria using a shared Computer-Aided Dispatch (CAD) system.
Emergency+ App
The Emergency+ mobile app, launched in 2013 by Fire and Rescue NSW, assists callers in sharing their exact GPS location with dispatchers. It also includes CPR tutorials, emergency instructions, and What3Words integration for pinpoint accuracy in rural areas.
System Challenges and Notable Incidents
The Triple Zero system has faced occasional disruptions:
- 2003 Melbourne Floods: Heavy call volumes caused temporary delays.
- 2009 Black Saturday Bushfires: Over 18,000 calls went unanswered due to network overloads.
- 2023 Optus Outage: Over 2,100 emergency calls failed to connect, leading to a record A$12 million fine for Optus.
- 2024 Telstra Failure: A 90-minute outage caused 148 untransferred calls, including one fatal incident due to delayed ambulance dispatch.
- 2025 Optus NT/SA/WA Outage: Over 600 unconnected calls resulted in three confirmed deaths, prompting federal investigations.
These incidents led to stronger national emergency call standards, enhanced network redundancy, and stricter compliance requirements for all telecom providers.
The 000 emergency number remains one of Australia’s most trusted public safety systems. Its integration with modern mobile technology and strict oversight ensures rapid response, saving thousands of lives each year.









