Find out key information about the Procurement Act 2023 and explore essential transition strategies to prepare for the changes brought by the Act.

In 2025, the Public Switch Telephone Network (PSTN) and Integrated Services Digital Network (ISDN) will reach their end of life.
By then, every analogue phone line in the UK will have moved to a fully digital network that uses Internet Protocol (IP) across a fibre-based service. This won’t just affect voice services; it may also mean you need to upgrade your access services and migrate critical systems.