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PSTN Switch Off 2025

In 2025 the UK’s PSTN Network is being switched off. What is it, and why should you care?

What is the PSTN?

The UK’s public switched telephone network (PSTN) is the network of copper and fibre cables that has been carrying our phone calls for decades.  It’s used for a lot more than just calls though – this analogue system is used in everything from door alarms to cash machines. From 2025 onwards, anything relying on the PSTN might fail to function properly.

Why is it being switched off?

The PSTN’s origins can be traced all the way back to the 1800’s, so the underlying technology has simply become very dated. Now these services, including phone calls, are much better managed digitally, via the Internet using VoIP.

What do I do now?

Your next steps depend on how much of your current infrastructure relies on PSTN. If you aren’t sure, it might be best to call in some experts, which is where excellence IT can help. We can provide a no-obligation review of your current voice and data services and provide guidance on the best way to prepare for the PSTN switch off.

Is it that simple?

Moving all your communication to a digital network means different things to different organisations. Whether you want to change as little as possible, or take advantage of the potential of VoIP to improve your business operations and processes.

But what is that potential? Well, the benefits of going digital can be enormous. In the case of phonecalls, VoIP means that telephony can be managed via a web interface. Pickup groups, routing calls, adding users is all done with the click of a button. VoIP might mean you need less numbers, or enable you to improve customer service by linking calls straight to your CRM.

Those are just a few benefits of many, and we’d be happy to discuss the solutions that would be the best fit for both your business and your budget. From seamless transition to digital transformation, we can help you go digital.

Drop us a line at or call 02920 887 362 for our help to go digital.

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