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3CX hosted PBX

Hosted Phone System

A hosted phone system is NBN-ready and loaded with handy features. The entire system runs in the cloud and operates all your office phones through the internet, giving you enormous flexibility to connect from any site — without the traditional burden and limitations of an on-site phone system.

From$99/monthnumbers, SIP trunks and support included

  • Always on and available
  • Unlimited support
  • Built-in redundancy and backups
  • SIP trunking and numbers included
Get a quote Call 1300 718 857 Titanium 3CX Partner — top six in Australia

Why choose us

Mobile PBX app

Stay connected on your mobile with your office extension.

Number portability

We safely migrate your existing numbers.

Auto attendant

Direct call flow with a professional auto attendant.

PBX anywhere

Our phone system is accessible from almost any device.

HD voice quality

The highest call fidelity available.

Unified communications

Do more than just call — chat, video and web meetings.

A Titanium 3CX partner, and one of the top six in Australia

Titanium is 3CX's highest partner tier. In practice it means our engineers are certified on the platform, we escalate directly to the vendor rather than through a distributor, and we see fixes before they are general. The 3CX platform is deeply configurable, so the phone system works the way your business already works rather than the other way around.

One platform for calls, chat, video and web meetings

We do not rely on a bulky phone system at your premises — the platform is entirely in the cloud, backed up and always online. Mobile apps, web apps, desktop apps, and of course the handset on the desk.

SIP trunking and numbers, included rather than sold separately

The lines and numbers that connect your phone system to the outside world come as part of the system. We port your existing numbers, provision the trunks, and size the channels to how your business actually calls — so there is one supplier, one bill, and nobody pointing at anybody else when something needs fixing.

It talks to the systems you already use

Calls can pop the right customer record, log themselves against the right ticket, and click to dial from inside the tools your team already has open. We integrate with common CRM and ticketing platforms, and where there is an API we will usually make it work.

Proactively managed, from Adelaide

We do not wait for you to notice. The system is monitored, patched and reviewed by the same local team that installed it, and when something needs attention you generally hear it from us first.

Frequently asked questions

What is a hosted phone system?

A hosted (cloud) phone system runs in a data centre instead of a box on your wall. Your handsets, mobile app and web client all connect over the internet, so you get the same phone system at the office, at home or on the road, and we look after the upgrades, backups and security.

Can I keep my existing phone numbers?

Yes. We port your existing landline and 1300/1800 numbers across to TelcoCentric as part of the switch. Your callers notice nothing.

Is it NBN-ready?

Completely. A hosted phone system is designed for the NBN. If you love your existing PABX, our SIP trunking service keeps it running over the NBN or 4G instead.

How much can I save?

It depends on your setup, and we will not put a percentage on it before we have looked at your bills — anyone who does is guessing. Financial savings are a common outcome, particularly where you are paying for lines you do not use, maintaining ageing hardware, or being charged for calls between your own sites. What we are more confident about is the operational side — better call handling, real visibility of what is happening across your queues, and a better experience for the people ringing you. That improves in almost every system we put in. 3CX is a remarkably flexible platform and we have built our business around being excellent at it, so we would rather show you what it can do for your particular setup than quote you a number.

Still have questions? Talk to a local specialist — no call centre, no scripts. Contact us

Reviews

What our customers say

5.0 from 37 Google reviews · Reviews as published, with a link back to the original.

★★★★★

We would like to extend our sincere thanks to Luke and the entire TelcoCentric team for their exceptional expertise, professionalism and support throughout the installation of our new phone and fax-to-email system. From the outset, the…

★★★★★

We recently brought our phone system into the 21st century, and the switch has been fantastic. From the first call, the team was responsive, professional, and genuinely helpful in getting everything set up. The onboarding process…

★★★★★

The whole team at TelcoCentric have been fantastic. The support we've received throughout the process has been great. Definitely recommend!

Read all 37 reviews

Reading on this

From Insights

Opinion

Teams calling is not a phone system

Microsoft Teams is an excellent way for colleagues to call each other. That is a different problem from running a business phone number, and the gap catches people out.

The TelcoCentric team · 28 August 2026 · 2 min read

Get a quote

Ready to talk about hosted phone system?

Tell us what you have today and what is not working. We will come back with a plain-English recommendation and a quote.

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1300 718 857

Monday to Friday, 8:30am – 5:30pm ACST. 24/7 support for managed customers. Existing customer with a fault? Go to support.

  • Written, itemised quote within one business day
  • No obligation — we will say if you should stay put
  • Titanium 3CX Partner, one of six in Australia
Whatever you know — "an old on-prem PBX", "Telstra mobiles and no IT support", "not sure" is fine.
What is not working today, or what you are trying to achieve. A sentence or two is plenty.