Advanced alternative for your business connectivity
The Public Switched Telephone Network (PSTN) is set to be closed down by BT in December 2025. …
What is the PSTN switch-off?
The PSTN switch-off is a major change for businesses in the UK, as it will impact how they communicate with customers, partners, and employees. …
PSTN and ISDN 2025 Switch Off
In 2025, the Public Switched Telephone Network (PSTN) is being switched off by BT Openreach, which means everyone, including businesses, currently using PSTN-based services will need to move to another service before then. …
