Symbio Networks is Australia's largest supplier of VoIP Wholesale Carriage and Managed Services.

Symbio provides network operators with proven IP communications solutions and the ability to scale and evolve to make the most of this fast-growing market.

With Australia's fourth largest fixed voice interconnected network, carrying over 3 Billion minutes of billed voice every year and growing at 30% per annum, Symbio has what it takes to deliver high quality, reliable, market-leading VoIP services and solutions. Symbio's commitment to innovation ensures continuing future-proof dominance at the forefront of the Australian telecommunications industry.

Symbio's wholesale carriage services empower the entire communications industry, from Tier 1 carriers down to localised Retail Service Providers. Delivering simple service components such as Call Termination and Origination, right up to complete turnkey Voice Managed Services for residential and business markets.


Symbio has direct interconnects with all of Australia's major traditional carriers, and has enjoyed impressive success in the Asia Pacific region with international interconnects with some of the largest and well respected global Tier 1 operators.

  • Fully interconnected network with own Carrier Access Code
  • Carries 3 Billion billed minutes annually
  • Australia's 4th largest fixed voice network


Symbio delivers a range of services including:

  • Hosted Numbers including DIDs with number porting and 1300/1800 numbers

Our commitment is to provide high quality, high value services and empower wholesale providers to build new high value revenue streams for residential, business and enterprise consumers.

Latest News


Strong Uptake of Managed SIP with Microsoft Lync

The Managed SIP Trunking service announce in December 2013 has generated a lot of interest and shown strong take up. SIP Trunking can connect your client's Lync server to the public phone network via IP, enabling them to capitalise on the full range of Lync call features while achieving significant savings on call costs. Increasing numbers of businesses are upgrading to IP PBXs and Lync - don't miss the opportunity to stay ahead of the competition and expand your addressable market to target this business and enterprise segment.


Preselect Now Available

The much-anticipated preselect feature for national calls is now available from Symbio Networks. Preselect is a wholesale service for Symbio customers who have a complete switchless solution, as well as those who have their own switching capability.