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Your business phone number is part of your brand. It is printed on your vehicles, sitting in customer phones, listed across hundreds of online directories and tied to years of marketing. So when companies consider moving to a modern cloud phone system, the first question is almost always the same: can I keep my existing number?

The good news is yes. Thanks to a process called number porting, Australian businesses can move their landline and mobile numbers to a VoIP system and keep them exactly as they are. In this guide we break down how porting works, how long it takes, what it costs and how to switch without dropping a single call.

What is phone number porting?

Number porting is the regulated process of transferring an existing phone number from one carrier to another. In Australia it is governed by the Australian Communications and Media Authority (ACMA) and the Local Number Portability (LNP) rules, which give every business the right to take their number with them when they change providers.

When you port a number to a VoIP provider like Uniden Voice, the number stops being tied to a physical copper line and instead routes calls over the internet. To your customers, nothing changes — they dial the same number and reach you. Behind the scenes, your calls now travel across a flexible cloud network instead of ageing infrastructure.

Which numbers can you port?

Most Australian business numbers can be ported, including:

• Geographic landline numbers (such as 02, 03, 07 and 08 area codes)
• Mobile numbers (04 numbers)
• 1300 and 1800 inbound numbers
• 13 numbers

There are a few exceptions. Numbers that are part of a bundled service, in dispute, or already in the middle of another port request can be delayed. That is why it pays to confirm portability before you commit to a switch.

How long does porting take in Australia?

Timelines depend on the type of port:

• Simple ports (a single number with no complications) can often complete within a few business days.
• Complex ports (multiple numbers, hunt groups or numbers spread across services) typically take a few weeks because they require coordination between carriers.

The key thing to remember is that your old service stays active right up until the moment the port completes. A well-managed port flips your number over to the new system at an agreed time, so there is no window where customers cannot reach you.

What does it cost to port a number?

Porting fees vary by provider and number type, and some carriers waive them entirely as part of an onboarding package. The bigger financial picture is the ongoing saving: once your numbers live on a cloud platform, you remove line rental charges, slash call costs and stop paying for hardware you no longer need. For most businesses, those monthly savings dwarf any one-off porting fee within the first billing cycle or two.

Step by step: how to port your number to VoIP

1. Confirm your details. Gather a recent phone bill, your account number and the exact business name and address held by your current carrier. Porting fails most often because these details do not match.
2. Choose your new plan. Decide how many numbers, users and features you need on the new cloud system before the port begins.
3. Submit the port request. Your new provider lodges the request and manages the carrier-to-carrier coordination on your behalf.
4. Set up your system in parallel. While the port is in progress, configure your handsets, call routing, voicemail and auto-attendant so everything is ready to go live.
5. Go live. At the scheduled cutover, calls to your number start flowing through your new VoIP system — usually without you noticing a thing.

Common porting mistakes to avoid

• Cancelling your old service early. Never cancel the existing line yourself. Cancelling releases the number and can make it impossible to port. Let the port complete first.
• Mismatched account details. Even a small difference in the business name or address can reject a port. Match your current bill exactly.
• Porting during peak season. Where possible, schedule the cutover for a quieter period so any minor hiccups have minimal impact.

Keep your number, lose the limitations

Porting to VoIP is the rare upgrade that costs you nothing in continuity. Your customers keep dialling the same number, while your business gains the flexibility to take calls anywhere, scale lines up and down on demand, and add features that copper lines could never deliver.

At Uniden Voice, we manage the entire porting process for Australian businesses, from confirming portability to coordinating the cutover, so the move to Voice Over Cloud is smooth and downtime-free. Talk to our team to find out how easily your existing numbers can make the move.