Written Question·Department for Science, Innovation and Technology·UIN 100558

Voice over Internet Protocol: Rural Areas

Tabled: 16 December 2025

Answered: 23 December 2025

Question

Adrian Ramsay

To ask the Secretary of State for Science, Innovation and Technology, what assessment she has made of the potential impact of the retirement of the Public Switched Telephone Network and the transition to VoIP landline services, particularly during power o

Answer

Kanishka Narayan

The number of major incidents on the PSTN (affecting 500 or more customers) has been increasing. In 2024, there was a 45% increase compared to the previous year. In 2024/25 there were over 2,600 major incidents on the PSTN. VoIP landline services are more...

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