Public Switched Telephone Network (PSTN) closure has already begun. Openreach are modernising the way they deliver telephone services to the UK. The PSTN is ageing and will reach the end of its life in December 2025. New digital technologies are taking its place, which means over 16 million lines and channels will need to move to alternative products before the network is switched off. Moving to new technologies will open the door to exciting opportunities to develop more reliable and future proof products and services for decades to come. We ‘ve prepared a short video below to provide you with all of the timelines and information you need to know about the network switch off.