questionText: To ask the Secretary of State for Science, Innovation and Technology, what data his Department holds on the numbers of (a) residential customers and (b) business customers that have moved from a PSTN telephone connection to a VOIP connection (i) when thei
answerText: The Department does not hold this specific information on the Public Switched Telephone Network (PSTN) migration to Voice over Internet Protocol (VoIP).Ofcom’s Connected Nations (2024) report (published 5 December 2024) states: “In the year to July 2024, ...
heading: Voice over Internet Protocol