An innovative approach to 13, 1300 & 1800 business phone numbers 

CallStream is reinventing how small businesses receive calls 


Shouldn't your phone number be as flexible as your business?

What if your phone number wasn't tied to a single device, but instead to every phone and every person in your business, even on the other side of the country? What if you could relocate your office and take your phone number with you? And what if your number made it simple for customers to connect with you, wherever they are in Australia? Or even from the other side of the world?

That's why we created CallStream. 

More than just 13, 1300 and 1800 phone numbers, CallStream is reinventing how these calls are receieved and managed. More seamless. More flexible. More powerful.

And that's why we're trusted by hundreds of businesses. From solo tradespeople to growing startups and international retail brands. With CallStream, you're in good company.

Think beyond 'what if'. CallStream makes it possible.


At the heart of CallStream is an innovative IP (internet) Voice technology which delivers inbound calls and calling features Over-The-Top (OTT) of existing phone services. So CallStream 13, 1300 and 1800 phone numbers remain independant of your device, location and business Telco provider. Future-proof. Flexible. Smart.


CallStream is 100% Australian owned and operated with a twenty-year pedigree in providing national inbound 13, 1300 and 1800 numbers. As part of our commitment to local service, all CallStream customer support is based in Australia. No matter your request, our Sydney team has the resources and expertise to help.


CallStream is a specialist IP business numbering service within the MNF Group (ASX:MNF). The Group delivers over 5 Billion voice minutes per year via its' independantly owned international voice network: the 4th largest in the country. This network is the backbone of CallStream, readily scalable and highly reliable.

Discover how a CallStream national 13, 1300 or 1800 number can reinvent your business communications.



Or call us direct on 1300 225 578