"The study, conducted by Assembly Research, evaluated the costs, risks and potential gains from digital migration across energy, water, health (NHS), emergency services and local government. It accounted for the direct cost of upgrading, as well as the rising expense of maintaining legacy systems like the public switched telephone network (PSTN) and the 2G mobile network - both decades old and increasingly challenging to support. Data from UK comms regulator Ofcom shows that resilience incidents on the PSTN have risen by 45%, underscoring the urgency of change."
"The UK's transition to digital connectivity is a major national infrastructure programme endorsed by Ofcom and the government. The PTSN will be fully retired in January 2027, with businesses and public services urged to complete their migrations by the end of 2025 to avoid last-minute disruption. In 2024 alone, BT migrated nearly 300,000 legacy PSTN business lines. Yet many CNI providers in the UK still rely on ageing analogue systems for critical operations, while other countries are moving faster."
Upgrading analogue networks across energy, water, health (NHS), emergency services and local government can deliver substantial financial, societal and environmental benefits including a projected £3bn net economic gain by 2040. The direct cost of upgrading must be balanced against rising maintenance costs for legacy systems such as the public switched telephone network (PSTN) and 2G mobile, with PSTN resilience incidents up 45%. The PSTN will be retired in January 2027 and migrations are advised by end 2025 to avoid disruption. Digital migration could free 600,000 NHS staff hours, 12 million council hours (equivalent to 6,500 full-time staff for a year), prevent hundreds of thousands of unnecessary ambulance trips, and BT migrated nearly 300,000 legacy PSTN business lines in 2024.
Read at ComputerWeekly.com
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