
The BT 2025 Switch off
If you’re not on top of the BT switch-off of its ISDN network already, here is our Q&A to help you to prepare.
If you’re not on top of the BT switch-off of its ISDN network already, here is our Q&A to help you to prepare.
When first announced, the Big BT Switch-off of ISDN seemed a long way off, but we are heading ever closer to the switch-off date. Here is our Q&A of the important things to know for the big switch off.
This is the name given after BT’s announcement in 2015 to the move away from the existing ISDN analogue phone network.
PSTN, the Public Switch Telephone Network is a copper wire telephone network. ISDN (Integrated Services Digital Network) is a digital platform, in use since the 1980s, to deliver voice, video and other data.
In 2025, BT will be shutting down the ISDN and PSTN services and moving to a fully digital network. By the end of the switch-off, every phone in the UK will be digital.
This will affect everyone in business and at home. By the end of the rollout, every phone line in the UK will be digital, routing calls over IP (Internet Protocol).
It’s an old system that’s becoming more difficult to maintain and it doesn’t have the capacity to compete with modern alternatives, either in terms of what it offers or how it copes with the demands being placed on it.
Everything looks on track for the 2025 deadline to be met, and Openreach remain committed to achieving the date for the switch-off.
Everything connected to PSTN and ISDN lines, not just phones. It includes alarms, door entry systems, lift phones, CCTV, faxes, EPSO machines etc.
You can talk to us and we can advise you on what you need to do and how to be ready for the switch-off.
It could be possible that you need to increase available bandwidth and upgrade your internet connection to make the most from the new digital functionality you will have access to.
Calls will be delivered using IP (internet protocol). This means you only need an internet connection for your communication devices to work.
Make sure any new contract you sign is an IP solution because that means you’ll be ready for the switch before it happens.
You can find out more about the BT 2025 switch off here:
The switch to digital is a good thing. We already assist a lot of our customers to prepare for, and make the switch to, a digital network. We provide expert telecoms services that will get you through the switch off and beyond.
If you would like to talk to our team about your telecoms or any other aspect of your IT and technology, then contact us for a free, no-obligation consultation.
Verity Armstrong
Verity is our resident wordsmith. She spent time honing her skills as a freelance writer for a number of different industries from 2020 to 2023. Now, Verity writes about IT support and cyber security for Syn-Star. Outside of this, she curates content for Mindful Me, a blog about well-being and leading a more positive lifestyle.
Qualifications: BA (hons) Psychology, MA (Merit) Youth Justice, Community Safety & Applied Criminology
In-house training: HubSpot SEO, SEO 2, Digital Marketing
Favourite movie: Harry Potter and Lord of the Rings
Favourite band: Hollowstar
Favourite food: Pad Thai or enchiladas
Have a Question? Ask us here!
Verity Armstrong
Verity is our resident wordsmith. She spent time honing her skills as a freelance writer for a number of different industries from 2020 to 2023. Now, Verity writes about IT support and cyber security for Syn-Star. Outside of this, she curates content for Mindful Me, a blog about well-being and leading a more positive lifestyle.
Qualifications: BA (hons) Psychology, MA (Merit) Youth Justice, Community Safety & Applied Criminology
In-house training: HubSpot SEO, SEO 2, Digital Marketing
Favourite movie: Harry Potter and Lord of the Rings
Favourite band: Hollowstar
Favourite food: Pad Thai or enchiladas
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