BT is urging the UK’s Critical National Infrastructure (CNI) providers to move away from the outdated analogue copper landline network by the end of December 2025, as fault rate increases.
The call comes as BT data reveals that 60% of CNI customers in the UK currently have no plan in place to start migrating off the legacy analogue network, with many still relying on older connectivity for mission-critical services.
These figures highlight the progress still to be made across CNI sectors in order to benefit from digital connectivity.
As the UK's PSTN reaches the end of its life, it is becoming prone to faults and difficult to maintain.
Ofcom’s recent Connected Nations report highlights that in 2024, the number of PSTN resilience incidents reported increased by 45%, and moving from analogue to digital connectivity will reduce this number, resulting in more stable, secure and efficient connectivity.
BT is encouraging CNI providers – which include sectors such as healthcare, water, energy, emergency services, local and central government, and fire & security - to help safeguard essential public services and review their technology estate, test impacted devices and switch to alternative networks by the end of 2025.
This will help avoid the risks of communication disruptions and futureproof operations.
Bas Burger, CEO – Business at BT, said: “BT is urging all CNI providers to act now to help protect their services and reap the long-term benefits of going digital.”