The big PSTN switch off

We break down what the switch-off means, why it’s happening, and what your business needs to do next.

Published at

31 July 2025

Big changes are coming... and we’re here to help!

Back in 2015, Openreach announced it would be switching off the old PSTN and ISDN networks. Now, that switch-off is getting closer, with the deadline set for 31st January 2027.

So what does that mean for your organisation? If you’re unsure, you’re not alone. And if your network isn’t ready yet, now’s the time to start planning.

Our experts break down what the switch-off means and how you can get ahead of it. Whether you're just starting to explore your options or already working on your next steps, we’ll walk you through everything.

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