The Big Switch Off Is Coming, Don’t Get Caught Out!
BT is phasing out the UK’s traditional analogue phone lines, and by December 2025 all PSTN and ISDN services will be switched off

WHAT’S IT ABOUT?
BT are shutting down the PSTN and ISDN lines and it could affect your business.
If your business still relies on these older systems, the clock is ticking. The switch to digital isn’t optional – it’s coming, and it will affect everything from your phone lines to your broadband, alarms, card machines, and even your fax or lift lines.
No more analogue lines
All PSTN and ISDN services will be discontinued.
Digital-first future
Every phone and communication service must run over IP.
Impact on your business
If you don’t act now, you could face sudden service interruptions.

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01253 370270
How this could affect your business…
While the Big Switch Off might sound like a simple upgrade, the reality is that it could have a significant impact on your day-to-day operations. Many businesses don’t realise just how many critical services still rely on analogue lines, meaning that without the right preparation, the switch could disrupt everything from taking payments to running security systems.
This change isn’t just about phones. Many businesses are surprised to learn just how many services still run on analogue lines:
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Telephone systems
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Alarm lines
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Payment terminals
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Door entry and lift lines
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Fax and monitoring systems
If you don’t migrate in time, these essential services could stop working overnight.
APPOINTMENT DATES ARE FILLING FAST
Contact us to see if you need to book in your BT line upgrade before the switch off date…


LET US HELP YOU
Tower Business Services Helping You Switch with Confidence
We understand the challenges businesses face, especially when it comes to vital communications. That’s why Tower Business Services offers expert advice, tailored solutions, and hands-on support to guide you through the transition.
Review your current business phoneline setup
Highlight what needs upgrading to keep you active
Provide modern digital alternatives
Manage the switch with minimal disruption
Keep your business fully connected and future-ready
Professional advice and recommendations
Testimonials from Our Valued Clients
At Tower Business Services, we’re proud to work with a wide range of valued clients who trust us to keep their businesses connected and future-ready. Their feedback speaks volumes about the service, support, and solutions we deliver every day. Don’t just take our word for it – our client testimonials highlight the confidence and peace of mind that come from partnering with us.
Average Rating
4.8

“Tower Business Services made the switch from analogue to digital completely stress-free. Their team explained everything clearly, handled the transition smoothly, and kept our business running without any downtime. We couldn’t recommend them highly enough.”
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Don’t wait until it’s too late, act now
The deadline is approaching fast, and demand for digital solutions is only increasing. Acting now ensures your business stays ahead of the change and avoids any costly downtime.
👉 Contact Tower Business Services today to secure your smooth transition before the big switch off.
Or You May Call Us For Appointment