Emergency Lift Phone — nbn with 4G LTE Failover

Australia's copper network is being shut down. Keep your nbn lift phone compliant with AS1735 and always connected — business nbn as the primary path with automatic 4G LTE failover. Installation and monitoring included for strata and body corporate buildings.

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13+ years operating in Australia.

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Why combine nbn with LTE backup

Primary nbn for quality and cost‑efficiency — with automatic 4G LTE failover for resilience.

Automatic failover

If nbn drops, calls continue over 4G LTE until the fixed link returns.

Quality first

Primary VoIP over business nbn for stable, predictable call quality.

Resilience by design

UPS options for power backup and corded handsets recommended for blackout operation.

Managed service

Provisioning, monitoring and support handled end‑to‑end by Pickle.

Keep your number

Port existing lift numbers where required to avoid relabelling.

Retrofit friendly

Works in existing buildings and new developments with minimal disruption.

How the VoIP + LTE backup solution works

A fixed broadband service carries VoIP as the primary path. A 4G LTE link takes over automatically if the fixed link fails.

nbn primary

Business nbn/opticomm connection delivers the main VoIP path.

4G LTE backup

A mobile link stands by and activates automatically on outage.

VoIP service

Managed SIP service provides the lift line via FXS/ATA interface.

Power continuity

UPS option maintains service for limited time during blackouts.

Call path — VoIP (nbn primary) with LTE backup

When the emergency button is pressed, the call travels over your building's nbn connection. If nbn drops, the call automatically switches to 4G within seconds — no manual action required.

The lift handset connects via FXS/ATA to managed VoIP over business nbn. If nbn fails, the LTE link takes over automatically. Emergency calling depends on power and available coverage.

Features built for strata decision-making

A balanced design that prioritises reliability and ongoing manageability.

Seamless failover

Automatic switch between nbn and LTE with no manual intervention.

Emergency calling

000 supported when powered and in coverage.

Professional install

Carrier check, signal testing, provisioning and labelled handover.

Monitoring & alerts

Service health checks and actionable alerts.

Number porting

Retain existing lift numbers where required.

FXS/ATA support

Connects to standard analogue lift handsets via voice port/ATA.

UPS-ready design

Sized backup options available to match runtime expectations.

Australian support

Local team for ongoing assistance and escalation.

Equipment for VoIP nbn + LTE backup

Four components, fully supplied and managed by Pickle — you never interact with the hardware.

Primary fixed broadband for quality, mobile failover for resilience — installed and labelled by our team.

Business nbn/opticomm

Primary fixed access (NTD/modem) for the main VoIP path.

LTE backup modem

Automatic 4G failover. Telstra Smart Modem Gen 2 or Gen 3 (FXS).

FXS/ATA interface

Connects the analogue lift handset to the VoIP service.

Optional UPS

Sized backup to meet site runtime expectations; corded handset advised.

VoIP lift line with nbn + LTE — frequently asked questions

Answers for strata managers and committees evaluating primary nbn with mobile backup.

Is this compliant with Australian lift emergency phone regulations (AS1735/BCA)?

Compliance depends on the end‑to‑end system (handset, gateway, power, monitoring). Our solution is designed to support these obligations, but formal sign‑off must be assessed for your building. Book an assessment to confirm.

Do we need an existing nbn service?

We can provision a business‑grade nbn/opticomm service if one isn’t already present. Where fixed access is impractical, consider the LTE‑only gateway alternative.

What happens if the nbn link fails?

The LTE backup link takes over automatically (while power and mobile coverage are available). Service returns to nbn when it’s stable.

Will this work during a power outage?

Can we keep our existing lift number?

How disruptive is installation?

What is the difference between a VoIP lift phone and a 4G GSM lift phone?

Does this comply with AS1735.19 specifically?

Does this work with Opticomm, Uniti, or other non‑nbnco networks?

What internet speed or nbn plan does the lift phone require?

Who is responsible for the lift phone — the Owners Corporation (body corporate), strata manager, or lift maintenance company?

Request a building site assessment