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Business phone systems Melbourne — 3CX, Teams voice, hosted PBX

Business phone systems for Melbourne. 3CX, Microsoft Teams Voice, hosted PBX, SIP trunks. Crystal-clear calls, lower costs, fully supported.

Last reviewed June 2026

Business phone systems in Melbourne

A modern business phone system costs less than the old PBX gathering dust in your comms cupboard, works from anywhere, and does far more. Key IT supplies and supports 3CX, Microsoft Teams Voice and hosted PBX systems for Melbourne business — set up properly, supported locally, and priced clearly per seat.

Your options compared

3CX

a full unified-communications platform with video, chat and advanced call handling, excellent value per seat.

Microsoft Teams Voice

calling built into Teams, ideal if your business already lives in Microsoft 365.

Hosted PBX

a cloud phone system with the familiar features, no on-site hardware.

Traditional PBX

legacy on-premise hardware; we help you move off it.

Why upgrade

Modern systems cut call costs, add features like video and presence, work from home and the office alike, and scale with a click instead of an engineer visit. We migrate you without losing numbers or dropping calls, and support it with the same local team that runs your IT.

FAQ

Frequently asked questions

What is the difference between 3CX and Teams Voice?

3CX is a dedicated unified-communications platform with rich call features; Teams Voice adds calling inside Microsoft Teams. If your business runs on Microsoft 365, Teams Voice is a natural fit; if you want advanced call handling, 3CX often wins.

How much does a business phone system cost?

Modern systems are priced per seat per month and usually cost less than legacy PBX once you include line rental and maintenance. We quote clearly per seat.

Can I keep my existing phone numbers?

Yes. We port your existing numbers across as part of the migration.

Do these systems work for remote staff?

Yes. 3CX and Teams Voice work from any internet connection, so staff have the full system at home or on the road.

Do I need special handsets?

You can use compatible desk handsets, computer softphones or mobile apps — whatever suits each user.

Who supports the system?

Our local Melbourne team supplies, sets up and supports it ongoing.

Proof, not promises

150+ Melbourne organisations, looked after every day

From manufacturing and healthcare to finance, body corporate and professional services — a few of the businesses whose IT and security we run every day.

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