More than global termination.

Power up your international voice business with TNZI new portfolio of services.



Our services


Managed SIP Trunks

Managed SIP Trunks

Deploy a manged, white label voice solution in Australia and New Zealand with complete coverage of all collection zones, at a fraction of the cost of owned structure.


Toll-free and geographic numbers

Toll-free and Geographic Numbers

Access toll-free, shared-cost and geographic DID numbers from Australia and New Zealand. Choose 1800, or shared-cost 1300 numbers in AU, and 0800 or 0508 numbers in NZ.

International Call Termination

Worldwide A-Z Termination

Have A-Z destionation coverage to mobile and fixed networks worlwide with TNZI Connect voice suits. The Retail Connect option supports CLI pas through and termination to MSRNs, average routing depth of 3+ and ASR, NER quality benchmarks.

 Real time fraud detection


Real-time Toll Fraud Detection

Ensure optimal protection of your network and customers with TollShield. Available exclusively from TNZI, TollShield Saas tool fraud mitigation can be deployed over multiple multi-regional networks and in any provider.

 Let's talk



What Makes Us Different

We'd love to talk to you about why we believe this makes our voice services the best quality and value on the market.




Proprietary Technology

TNZI now also provides a range of market-leading toll fraud mitigation and innovative cloud-based BSS / OSS solutions.


Extensive Network

Extensive global reach with points of presence in London, Los Angeles, San Jose, Sydney, Auckland and network access points in New York, Frankfurt, Singapore, and Hong Kong. 


200+ Global Partnerships

Extensive direct and partnership connection with over 200 telecommunications operators.



TNZI global voice carriage network



Our experience

TNZI is a Tier 1 provider of international voice services and global carrier software. As part of the MNF Group, TNZI continuously invests in its international voice network to better serve customers with increased network capacity, resilience and scalability. 






We're excited to consult you on a customised solution for your international voice business requirements. Please fill out the information below to get started.