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Voice over Internet Protocol: Fraud

Asked by Vikki SladeLiberal DemocratDepartment for Science, Innovation and TechnologyTabled Answered 4 June 2026UIN 5485

The question

To ask the Secretary of State for Science, Innovation and Technology, whether her Department has made an assessment of the potential impact of digital voice services, compared to the legacy Public Switched Telephone Network, on protection against scam and spoofed calls.

Answered by Kanishka Narayan

The Government is committed to ensuring that any risks from the industry-led migration of the analogue Public Switched Telephone Network (PSTN) to digital Voice over Internet Protocol (VoIP) are mitigated for everyone across the UK. Ofcom have confirmed that VoIP technology is more resilient, more secure, enables better quality phone calls, and can be used to block scam and spoofed calls. For example, BT Digital Voice blocks over 17,000 scam calls every day.

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