Do You Still Need a Landline for a Medical Alarm in Australia?

It’s one of the first questions families ask, and a fair one. For years a medical alarm plugged into the phone socket on the wall, so it seemed obvious that no landline meant no alarm. Plenty of homes have since dropped the old copper line, or been moved onto the NBN, and people worry the alarm on Mum’s wrist has quietly stopped working.

Here’s the reassuring part. A traditional landline is no longer needed. Most alarms sold in Australia today connect over the mobile network instead, and they keep working whether or not there’s a phone line in the house. What matters now is a different question, and it’s the one worth checking today.

Why the landline worry exists

The first generation of home medical alarms were built around the copper phone network. A base unit sat by the phone, plugged into the wall socket, and used that line to call the monitoring centre when the pendant button was pressed. It worked well for decades, so the link between “alarm” and “landline” stuck in people’s minds.

Two things changed that. Copper lines have been retired across the country as homes move to the NBN, and mobile coverage is now good enough to carry an alarm call reliably in most places. So the base unit no longer has to borrow the phone line. It can carry its own mobile connection built in.

How modern medical alarms connect

Over the mobile network

This is now the usual setup. The alarm has a SIM card inside, much like a mobile phone, and calls the monitoring centre over the same 4G network your phone uses. There’s no phone line to plug into and nothing to pay a phone company. Australian providers such as MePACS, INS LifeGuard and Tunstall Healthcare supply this type for homes with no landline, and it’s what most new customers get.

Over your NBN or broadband

Some alarms plug into an NBN or broadband router instead. This can suit a home with a strong internet connection. The one thing to know is that if the power goes out, the router goes down with it, so a mobile-connected alarm is often the safer choice for someone living alone. Ask the provider which type they recommend for your situation.

The old copper landline

If a parent still has a copper landline and an alarm that uses it, that alarm keeps working for now. There’s no need to rush out and replace it. It’s worth a quick call to the provider to confirm the setup is current, and to ask what happens when the copper line in the area is switched over to the NBN.

Matching the connection to the home

If this sounds like home	A good fit
No landline at all	A mobile-connected home alarm with a SIM inside
Living alone and worried about power cuts	A mobile alarm with a backup battery in the base
Out and about, gardening or walking	A mobile alarm with GPS you wear away from home
Still on a copper landline that works fine	Keep it for now, but confirm the plan with the provider

What the 3G shutdown means for older alarms

This is the part that genuinely matters. Australia’s mobile companies switched off their 3G networks in 2024. Vodafone and TPG closed theirs early in the year, and Telstra and Optus followed from late October 2024. Any device that only knew how to use 3G stopped working, and that included some older medical alarms, along with certain phones and car systems. The Therapeutic Goods Administration warned about exactly this before the shutdown.

If a parent has had the same mobile alarm for several years, don’t assume it’s fine. Ring the provider and ask one plain question: is this alarm running on 4G? A reputable provider will have contacted customers about upgrades already, but a quick check gives you certainty. If the answer is anything other than a clear yes, arrange the swap.

Power cuts and staying connected

A common worry is what happens in a storm when the power drops. A good medical alarm base has a backup battery that keeps it running for a number of hours, so a pressed button still gets through. Mobile-connected alarms have the edge here, because they don’t depend on a router or a mains-powered phone system staying up.

This is also worth knowing if a parent still relies on a home phone. A phone running over the NBN will not work in a blackout unless it has a battery backup, and neither will an alarm that depends on it. If someone in the home has a medical reason to keep a working phone in a power cut, ask the phone provider about priority assistance and about being registered as needing extra help. And make sure anyone who might need to call for help can reach Triple Zero (000) on a mobile.

If you’re choosing a new alarm

If the landline question has come up because you’re weighing up a new alarm anyway, our guide to the best medical alarms in Australia walks through the main options in plain English. It’s also worth reading up on monitored versus unmonitored alarms, and our checklist of what families should check before choosing one.