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PSTN, ISDN, the “big switch off” – they’ve all been spoken about across the telecommunications industry, but what is it and what’s actually happening?

We’ve put together a PSTN (Public Switched Telephone Network) hub to help you understand what the PSTN Switch Off is and, more importantly, what your business needs to do to be prepared for the PSTN Switch Off.

We’ve compiled content such as guides, infographics and blogs which will help you understand the furore and get your business future-proof and ready.

What is the PSTN Switch Off?

In 2025 the PSTN will be switched off so, if you’re still utilising fixed line services such as analogue or ISDN lines, these services will be withdrawn in 2025.

To ensure your business is able to collaborate, communicate and connect after 2025, you’ll need to start thinking about migrating to hosted telephony and, to do that, you’ll have to have a business broadband connection or Ethernet leased line in place to support your VoIP system.

If you’re still unsure what’s happening, we’ve got some content below and we’ll be adding to this page over the next few years to keep you informed and updated.

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The Big 2025 Switch Off

Your guide to the PSTN Switch Off

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PSTN Switch Off Update Resource

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Answers to your questions about the PSTN 2025 Switch Off Resource

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A Guide to the 2025 Big Switch Off Resource

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