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The landline switch-off and digital voice explained

By Chris Davies · Updated

Quick answerThe UK's analogue phone network (PSTN) is being switched off, with the move to digital phone lines due to finish by January 2027. Landline calls will run over broadband using your router instead. Most people just plug their phone into the router; people with telecare alarms or no broadband should talk to their provider early.

What's changing

Openreach and the phone companies are moving every landline from the old analogue network to digital phone lines that run over broadband. BT calls its service Digital Voice; other providers use similar names. The aim is to finish the move by January 2027, region by region.

What it means for you

Telecare alarms and vulnerable customers

Personal alarms, some burglar alarms, lift phones and payment terminals may need checking or upgrading. Tell your provider if you or someone you care for uses telecare. Providers have agreed to protect vulnerable customers, including offering free battery backup units where needed.

Do I still need a landline?

Many households now only use mobiles. Full fibre doesn't need a phone line at all, and a broadband-only deal is often cheaper. If you do want a home phone, choose a package with digital voice included or as an add-on.

What if I don't have broadband?

Providers offer landline-only digital services that still work without a full broadband package. Ask your provider what they offer.

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Frequently asked questions

When is the landline switch-off?

The analogue network is being retired region by region, with the move to digital phone lines due to finish by January 2027.

Will my landline number change?

Usually not. You can normally keep your number when moving to a digital phone line.

Will my phone work in a power cut?

Digital landlines need power to the router. Without a battery backup, the phone will not work in a power cut. Keep a charged mobile phone for emergencies.

Do I need a new phone?

Most existing corded and cordless phones work when plugged into the router or an adapter.

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