ISDN Switch Off 2025

Is your business prepared for the end of ISDN?

Sign up now

ISDN Switch Off 2025

The Openreach ISDN switch off announcement in 2015 made it clear that they would stop taking new ISDN orders in 2020, with a view to switching-off its ISDN network completely in 2025. This means that all copper services currently used for voice will stop working from this point – ISDN, PSTN and Multi-line. And it’s not just your phone services you need to think about. It’s everything else that currently uses the old phone network, all your non-voice services connected to PSTN or ISDN lines, like alarms, EPOS machines, door entry systems, CCTV, and faxes.

What is ISDN?

ISDN stands for integrated service digital network. ISDN is a digital line that runs through copper wiring. It was a lot faster than traditional analogue lines and could be used for data as well as carrying voice calls. 

What do I need to do if I have an ISDN line?

If you currently have an ISDN line, you will have to upgrade your telephony by December 2025. With modern technology, telephone services no longer have to rely on the ageing copper infrastructure. Services can now be provided using Voice over Internet Protocol (VoIP). However, for your new VoIP system to work effectively, you’ll need a quality internet connection so that your solution can run seamlessly, our connectivity solutions can provide you with increased speed and intelligence.


In comparison Virtual Landline is a cost effective solution compared to a traditional BT landline:

Our Virtual Landline Office plan is feature rich and can grow with your business:

Get Your Virtual Number


Contact Us

+44 (0) 203 488 0088

Emergency Number:
+44 (0) 333 300 1289

Virtual Landline
Unit 6, Glenmore Business Park
Blackhill Road
Dorset BH16 6NL