Build the future of communictions with Australia's smart voice network



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Trusted by telcos and innovators

Symbio is the Australian carriage backbone for software companies, app developers, contact centres, UC providers and global telecoms.


Programmable voice

Symbio allows you to go direct-to-carrier, without the need for traditional telecom infrastructure. Manage services, route calls and extract valuable carrier insights through our API and cloud software. 


Australia's largest VoIP network

Enjoy trans-Tasman depth and global reach from day one. Terminate calls in all Australian and New Zealand local call regions, and route calls worldwide through our international carrier interconnects. 


Symbio Australia voice network map





Innovate and grow with Australia's smart network



Cloud numbers

Acquire Australian geographic and toll free numbers for voice and fax. 


SIP Trunks

Provide a future-proof foundation for voice, video, SMS and fax. 


Call termination

Enable high quality outbound calling to Australian landlines and mobiles. 


Number portability

Own your customers. Port and host numbers from any Australian carrier.



Sell 4G mobile with your own branded SIM cards, custom plans and inclusions. 


Billing solutions

Invoice customers under your own brand, using your own rates and billing rules. 


Fraud blocking

Protect your network and revenue. Detect and block toll fraud in real time.


Global toll free

Enable inbound calling in over 90 international destinations. 






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