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The Big Switch Off

The Big Switch Off

January 15, 2026 Steven Cahill
Openreach and BT have announced that their plan to withdraw all copper-based analogue, ISDN and broadband services, previously due to complete by 31 December 2025, has now been delayed until 31 January 2027.

Openreach and BT have announced that their plan to withdraw all copper-based analogue, ISDN and broadband services, previously due to complete by 31 December 2025, has now been delayed until 31 January 2027.


Our message to customers is unchanged. While this revised date provides more time — and may now seem some way off — the significant task of moving to an all‑IP, future‑proof service remains.


Customers should still aim to take action now, as the announcement provides only a one‑year extension and we are still likely to experience resource bottlenecks as the deadline approaches.


Prices are also likely to continue rising for legacy analogue, ISDN and broadband services, while meaningful cost savings are already available through all‑IP voice and fibre broadband alternatives. These options also bring additional benefits, including greater flexibility for hybrid and remote working.

The process of switching to all‑IP is straightforward. Please contact us today to discuss a migration plan for your business.


What services are affected?


Anything currently using a copper line. Put simply, every Openreach service delivered over copper lines will be affected. The most obvious services are analogue telephone lines (PSTN) and digital lines (ISDN), but it’s not just about phone services — any service that relies on this infrastructure will also be impacted, including:

  1. Analogue voice telephone services
  2. Dial-up devices and services, such as fax machines, alarm systems, modems, building management systems, lift lines and PDQ/card payment machines
  3. ISDN2e and ISDN30e lines
  4. Broadband services delivered over an analogue line, e.g. ADSL and FTTC fibre broadband


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