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Telecommunications: Digital Technology

Question for Department for Digital, Culture, Media and Sport

UIN 131169, tabled on 28 February 2022

To ask the Secretary of State for Digital, Culture, Media and Sport, what recent assessment she has made of the effect of switching the telephone network from copper wires to digital phone lines on resilience to power cuts.

Answered on

3 March 2022

Ofcom, the independent telecoms regulator, has issued guidance on how telecoms companies can fulfil their regulatory obligation to ensure that their Voice over Internet Protocol (VoIP) customers have access to the emergency services during a power outage. This guidance was prepared following consultation with Ofgem and the industry, looking at data on average power outages among other factors.

This guidance states that providers should have at least one solution available that enables access to emergency organisations for a minimum of one hour in the event of a power outage in the premises, and that the solution should be suitable for customers’ needs and should be offered free of charge to those who are at risk as they are dependent on their landline. This might include relying on the mobile network, which has a high degree of power resilience, or using a battery back-up unit to provide power. Ofcom’s full guidance is available on its website here.

Whilst the upgrade is an industry led initiative, the government and Ofcom are working together to ensure consumers and sectors are protected and prepared for the upgrade process.

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