PSTN Retirement


Why is this happening?

The Public Service Telephone Network (PSTN) has become harder to maintain and as such, the investments made by providers and BT Openreach have been directed elsewhere, towards modern, future-proof technologies.


When is this happening?

From 2023, customers will no longer be able to order an ISDN install.

From December 2025, the platform will close, and all related products will be withdrawn.


What does this mean?

Essentially this means that by 2025 all businesses will need to have moved to VoIP (Voice Over Internet Protocol), where voice travels through your internet connection as data packets, rather than over ISDN or PSTN lines.


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