Prepare for the BT Switch Off
Future-Proof Your Business Connectivity
The BT PSTN & ISDN Switch Off Is Coming – Are You Ready?
BT has officially announced that the Public Switched Telephone Network (PSTN) and Integrated Services Digital Network (ISDN) will be permanently switched off by January 2027. This major change affects millions of UK businesses still relying on traditional landlines and legacy phone systems.
At CYB3R, we help you seamlessly migrate to modern, cloud-based solutions like VoIP phone systems, business broadband, and dedicated internet connectivity, so your business stays connected, compliant, and competitive.
What Is the BT Switch Off?
The BT Switch Off marks the end of legacy copper-based phone lines in the UK. From now until 2027, all businesses using PSTN and ISDN services will need to transition to digital alternatives, such as VoIP (Voice over Internet Protocol) or SIP-based communications.
How CYB3R Can Help?
We provide:
Tailored VoIP Phone Systems – Cost-effective, flexible, and scalable solutions
Futureproof Connectivity – Business broadband and dedicated Ethernet to power modern comms
Cloud Migration Support – Seamless transition from analogue to digital platforms
UK-Based Support – Trusted, expert engineers and 24/7 helpdesk
Whether you're an SME or an enterprise, CYB3R will guide you through the entire transition process with zero disruption to your operations.
Why Switch Now?
✔ Ensure continuity before the 2027 deadline
✔ Save money with lower line rental and call charges
✔ Improve flexibility with cloud-hosted telephony
✔ Avoid rushed transitions closer to the cut-off date
✔ Boost productivity with unified communications
Ready to future-proof your business communications?
Get expert guidance on navigating the BT Switch Off with CYB3R. Make the move now to avoid disruption.
Switch with Confidence - We’ve helped businesses across London and the UK make the move to digital communications. With accredited security, scalable VoIP solutions, and responsive UK support, we ensure your business is future-ready.
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After January 2027, PSTN and ISDN services will no longer function. Your phone lines and devices connected to them — such as alarms, fax machines or card machines — may stop working.
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Yes, we’ll port your existing numbers to a VoIP system to ensure business continuity with no downtime.
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It depends on your setup, but most SMEs can fully transition in under two weeks. We’ll plan everything to minimise disruption.
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Any equipment connected to traditional phone lines — including alarm systems, payment terminals, fax machines, and lift lines — may stop working unless migrated to digital alternatives. It's important to audit these now to ensure a smooth transition before 2027.
