Business Phone Systems in Sydney

At Zero 3 Communications, we understand the importance of a reliable and efficient phone system for the smooth functioning of your business. We bring you innovative solutions to suit the diverse requirements of businesses of all sizes. With our solutions, you can empower your workforce to conveniently communicate, collaborate and transform the way your business functions. If you are looking for a business telephone system, connect with us. We will understand the needs of your business and offer tailored solutions that best suit you.

Business Phone System Sydney

Hosted PBX in Sydney

If you want to upgrade your communication system, we have Cloud PBX in Australia for businesses of all sizes. Our solutions are designed to work however and wherever you want and you can immensely benefit from our cloud phone systems. You can experience infinite flexibility and get access to an extensive range of features. With our PBX systems, your business gets unmatched flexibility and you can integrate all types of business communication on a single platform. You get the ultimate convenience and can remotely manage the PBX system from your phone or desktop. Whether you are a small business or an established one, you can experience several benefits by upgrading to the cloud phone system. We have years of experience and are committed to offering the latest in communication technology.

Phone Systems Loaded With Features

With our phone systems, your business can benefit in several ways. No matter where and how your employees wish to work, we have the right solutions with our flexible systems. We want to give businesses cost-effective solutions and understand that the one-size-fits-all approach does not work. We will take the time to understand your business and offer the best telephone system.

Our state-of-the-art telephone systems are backed by our exceptional customer service. We understand that choosing the right cloud-based system for your business is an important decision and are here to make it easy for you. We have years of industry knowledge and our trainers ensure that our clients know how to use the equipment. This is demonstrated in a hands-on, practical and face-to-face session. We can install and service the communication systems and you can rely on us for all your needs.

Choose the Right Cloud Phone Systems in Sydney

We understand that choosing the right phone system requires an in-depth understanding and you may feel daunted. We are here to assist you at every step. We can help to streamline the communication system of your business with our proven solutions. We also provide phone system maintenance to sort any issue with your communication system easily. With a reliable phone system, you can keep your business fully operational.

If you have any questions or would like to find out more about our services, reach out to our team. We have extensive experience and will help you maximise the efficiency of your business. Call us today to find out more.

“Thank you to Shaun for his prompt and excellent Service. Our company has been dealing with Zero 3 since 2020. They are extremely professional and happy to assist with all your queries. Great Service, Friendly Staff. Will have no hesitation in recommending this company and look forward to future dealings with them.”

Janis Hofferts

Steves Car Alarms / Word Security

“Francis, Shaun and the Team at Zero 3 are amazing! Their support, knowledge and understanding of what out company required in a phone system was above and beyond. Their professional approach while implementing the new system for our staff was second to none.”

Lucinda Boca

Real Assist

“Amazing to deal with! Was having an issue with my internet and Francis and Shaun went above and beyond to resolve my issue. Highly recommend. Fast speed internet and is perfect for my business. Thank you.”

Rachael Lynch


“Alicia provided a really friendly, professional information session. Everything was explained really clearly and and working examples were given. We have also found the the support/customer service has been excellent. Would definitely recommend both Zero 3 and Alicia!”

Wendy Helling

Bonbeach PS

“Our dealings with Zero3 have been exceptional, right from the initial inquiry phone call through the quoting, reverse engineering engagement and installation phases. I cannot recommend them highly enough.”

Elsternwick PS IT Support

Elsternwick PS

“Alicia from Zero 3 spoke to office staff today via Zoom to ran us our new phone system. She was very well prepared and explained system in a way that was easy to understand. Printed guide Alicia went throught with us was well set out and will be great reference.”

Lorraine Madex

Numurkah Secondary College

“Great team to work with. Everything done on time and very quick to make the changes we decided we needed at the last minute. Already deployed some of the new features such as call record and paging to great success. Definitely recommend.”


Cheltenham Secondary College

“James, Francis and their team really did go out of their way to ensure our transition to Zero3 was seamless and fault free. Of course there were tiny teething issues that were resolved same day, and every challenge we have thrown at them since has been handled with professionalism and speed. We could not be happier with our new phone bills, either! Thanks to the entire team at Zero3 - could not recommend you higher.”

Karen Baker

Diamond Valley College

“James, Francis and all the gang at Zero3 Communications are great! They are helpful, can decipher information to provide the best approach for all of your communication needs. The follow up is amazing and there is never a problem that is too hard for them to fix.”

Kate Garside

Yarra Road PS

“Exceeded all expectations from the beginning, installation and after sale service. This company has an extensive understanding of a schools needs. I would recommend Zero3 Communications without hesitation.”

Janet Young

Upwey South PS

“Can't go past the outstanding level of personalised communication services provided to our business by Zero3. Seriously, it's just not available anywhere else. So easy to talk to. Everything is taken care of and maintained with absolutely no stress to us and any new requests are carried out on time, every time. Professional and ethical - Friendly and understanding. Service that's a cut above the rest! Highly recommended”

Gina Taylor

Langwarrin Community Centre