What is the best business landline alternative in Australia before the copper switch-off?

On this page

When will landlines be phased out in Australia?

There is no single national date when every Australian landline will stop working. The copper switch-off depends on your premises, the nbn technology available there and whether your service is covered by an exception.

For businesses in the nbn fixed-line footprint, existing fixed-line phone and internet services are being migrated to the nbn network. The date on your provider’s notice matters more than a general national deadline.

Copper landlines may remain available in some nbn Fixed Wireless and Sky Muster satellite areas. Some business services, including certain “Special Services”, can also follow different migration arrangements. Confirm your address and service type with your phone or internet provider.

Can your business afford to wait until the old service is close to being disconnected?

The important decision is not whether the copper line might work for a little longer. It is whether you want to be planning a phone migration under a deadline someone else set.

What is replacing landlines for Australian businesses?

Business VoIP is the main replacement for a copper landline. It carries calls over an internet connection instead of a traditional circuit-switched phone line.

The simplest version gives you a business number and a handset or app. A more complete cloud phone system adds extensions, call queues, transfers, call routing, voicemail-to-email, business SMS and mobile access. Nexgen’s cloud phone system options show how the same service can support desk phones, softphones and mobile users.

Your customers can usually keep calling the same local, 13, 1300 or 1800 number, subject to number portability and service eligibility.

A business landline alternative in Australia can therefore look like one of five setups.

These are a starting point, not a recommendation. Your current number, handsets, alarm equipment and internet connection all affect the safest migration path.

Should I switch from a landline to VoIP?

Yes, if your business needs a phone service that can move with your team and support modern call handling. VoIP is usually the most straightforward long-term option when a copper service is being retired.

A hosted VoIP system can let staff answer the main business number from a desk phone, computer or mobile app. It can also make it easier to add users, change call routing and support hybrid work without installing new copper lines.

However, VoIP depends on the internet and powered network equipment.

Do not assume every analogue device will work on a new VoIP service. Nexgen’s Cloud Voice service information specifically excludes some analogue devices, including EFTPOS, back-to-base alarms and outbound faxing. Check these services separately before cancelling the copper line.

Is an NBN business phone system better than a basic VoIP line?

A basic VoIP line is usually enough when one person answers one number. An NBN business phone system is a better fit when calls need to reach several people or follow a defined process.

The difference is control. A basic line may replace the old landline but still leave you manually forwarding calls. A cloud phone system can direct callers to the right person, allow staff to answer from different locations and keep voicemail in a shared business workflow.

If you only need a replacement for a single copper number, avoid paying for features you will not use. If customers regularly wait for answers, ask for transfers or speak with different departments, choose a system that can manage those calls properly.

Nexgen’s small-business phone systems are designed around this decision: replacing a simple line where that is enough, or moving to a fuller system when the business needs more control.

Can I keep my existing business landline number?

In many cases, yes. Number porting allows an eligible existing number to move to the new provider instead of forcing you to publish a new number.

Do not cancel the copper service first. The old service should remain active until the new arrangement is ready and the transfer plan has been confirmed.

Porting can involve checks around the number type, service address, account details and the current provider. Some business numbers or special services may need additional review.

A realistic provider should explain interruption risks rather than promise that every switch will be invisible.

What should I check before choosing a business landline alternative?

Start with the way your business handles calls today. The old copper line may be doing more than ringing one handset.

Write these down first

Then decide whether you need a simple replacement or a complete phone-system migration.

Your internet connection matters because voice calls share the connection with other business traffic. If the office regularly uploads large files, uses cloud applications or hosts video meetings, ask whether the proposed service includes voice prioritisation, a suitable business-grade connection or a backup path. Nexgen’s business internet services can be assessed alongside the phone system rather than as a separate afterthought.

Also check the physical phones. Some existing handsets can be reused with an adapter or compatible service. Others need replacement IP phones. Keeping old equipment may reduce the initial change, but it can limit call features and make future support harder.

Is mobile-only a good alternative to a copper business landline?

Mobile-only calling can suit a sole trader or a business where every customer already contacts an individual. It is less suitable when customers need one stable number, shared answering or a professional call path.

Mobile coverage should also be tested inside the premises, not just outside. A mobile backup is useful only if it works where staff need to answer calls.

For many small businesses, mobile access is best used as part of a cloud phone system rather than as the entire replacement. Staff can keep using their mobiles while the business retains one main number and a consistent call flow.

How can I move from copper without disrupting the business?

Plan the replacement before the disconnection date, but do not cancel the old service until the new service has been tested. A controlled migration is more realistic than assuming every change will happen with zero interruption.

A sensible decision sequence

Keep the first design simple. A clear main greeting, sensible ring groups and voicemail are more useful than features nobody maintains.

What is the safest business landline alternative for my business?

For most Australian businesses still on copper, the safest starting point is a hosted VoIP or cloud phone system with number porting, tested internet connectivity and a practical backup plan. A basic VoIP line suits simple calling; a cloud system suits teams, shared numbers and flexible work.

Do not choose on price alone. Check number retention, outage handling, support, compatible equipment and the exact service included. Then arrange the change while the copper service is still available.

Frequently asked questions