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BT Switch Off
When we say ‘everyone…’?
Yes, we mean everyone. Business and home. It is not just your phone services you need to think about. It is everything else that currently uses the old phone network, all your non-voice services connected to PSTN or ISDN lines. Such as alarms, EPOS machines, door entry systems, CCTV, and faxes, franking machines and anything using a modem.
Why is this happening?
PSTN and ISDN has been the backbone of the UK’s phone network for decades. We have all recently seen dramatic changes in technology over the past few years. It is all around us: smartphones, apps, the cloud, Zoom, Internet of Things, and so on.

What you probably don’t notice so much is the infrastructure that makes everything work. The telephone lines strung across the streets, the web of copper cables buried beneath your feet, some of which have been down there since the 19th century.

It’s now time to leap forward from PSTN / ISDN to embrace the boundless possibilities of digital.
So IP is better than PSTN & ISDN?
Yes. As an 20th century technology, the PSTN and ISDN networks are increasingly out of kilter with the demands of modern communications. As people switch to mobile and internet communications, everyone demands much more than the traditional technologies were designed to deliver. Which is why we are switching to IP.
2025. That’s years away. Why are we talking about this now?
You need to start planning your move today because there could be a lot to do. Remember, it’s not just about calls. You need to review everything you’re connecting to your phone lines, like door entry systems and alarms. Many businesses have already embraced an all-digital model, moving their communications to the cloud, or upgrading their on-premise system to make calls over the internet and embracing the new technologies that comes with it.
Will we be better off with digital?
The move to all-digital is not just because the old phone system is, well, old. It is because all-digital communications are so much better. Even at the most basic level, you will be able to make and take calls on any device, from wherever you are, from the same number. You will link your business applications and systems with video chat, calls and collaboration, so you are closer to customers and colleagues alike. With everything in the cloud, you will be able to access systems from anywhere, working from wherever you want. You could also potentially see a reduction in the running cost for your phone system.
Sounds great. What do I do next?
You can contact us via e-mail info@nxtchange.uk
Or call us on 0161 676 9933
Download PDF
IN BRIEF
BT are moving all their customers from the analogue public switched telephone network (PSTN) to a fully digital network. They plan to have moved everyone over before Openreach switch off the PSTN (and ISDN) service in 2025. By then, every phone line in the UK will be digital, routing calls over IP (Internet Protocol) rather than the traditional PSTN.
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