The 2025 PSTN and ISDN Big Switch Off - Communications Plus Get All Offers

The 2025 PSTN and ISDN Big Switch Off

The Big Switch Off That Will Transform Business Communications

The 2025 PSTN and ISDN Big Switch Off is fast approaching. Openreach by BT is currently upgrading the outdated, analogue Public Switched Telephone Network (PSTN) to a faster, full-fibre digital network. This means the time is fast coming for businesses to commit to VoIP phone communications and clever tech such as virtual landlines to move their communications network into the future.

By the end of December 2025, instead of routing over PSTN or ISDN any business or home phone call will instead be hosted over Internet Protocol (IP). Named the ‘Big Switch Off’, the move has big implications for any firm using broadband in its operations. In today’s world, that’s pretty much everyone.

To prepare for the change, all existing phone systems and older internet connections – including any used by hardware like card machines and CCTV – will need to transition to an IP mode. The later you postpone the shift, the more complicated and costly the process will become – especially if you don’t leave enough time to research the right provider.

In short, the PSTN and ISDN Big Switch Off might not be happening until 2025, but the preparation starts now. Communications Plus understand what the change means for businesses, what the risks and opportunities are, and how to get ready.

Why choose Communications Plus to Manage your PSTN and ISDN Switch Over

As the PSTN and ISDN Big Switch Off approaches in December 2025, it’s crucial for small businesses to prepare in advance. This shift to Internet Protocol (IP) for all phone calls is happening already and could disrupt operations if not handled properly. Choose Communications Plus to help you make a smooth transition. Our team is ready to assist you in ensuring your phone systems and internet connections are IP-ready. Don’t delay; start preparing now to avoid disruptions and secure your business’s communication future.

Get in touch with our specialist team and start the switch today.

Call 03701 020204 to talk to our team today

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