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The BT ISDN Switch Off is happening in 2025. Discover your options today.

In 2025 the last elements of Openreach’s analogue and digital ISDN copper network will be turned off and an all IP network replaces it. 

The impact on telephony and broadband services is far reaching so you need to know how it will impact you. Birmingham Telecom can help you find the right solution tailored to your business.

Concerned about the BT ISDN Switch Off? Get in touch for a FREE quote, help or advice.

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SIP Phone Lines

Discover how we can help you beat the BT ISDN Switch Off Date >

BT are switching off the PSTN and ISDN networks for good, starting with a cease of new supply by 2023 and moving to a full migration to IP before 2025. 

The BT switch off could affect thousands of businesses in the near future, especially those unaware of BT’s intention to phase out of technology. Traditional phone lines are a legacy technology with high maintenance costs and many drawbacks.

In Short, because of the BT ISDN Switch Off, during 2023 you will no longer be able to order any new traditional ISDN or PSTN services and by 2025 you must have totally upgraded to IP telephony to avoid interruption to your telephone services.

The BT ISDN Switch off is Approaching

ISDN and PSTN services will no longer be available following BT's decision to switch off the PSTN network in 2025.

Learn More

You must upgrade to IP telephony before 2025.

If you have a traditional ISDN or PSTN services then the BT ISDN switch off means you should consider alternatives.

Let's Go

ISDN & PSTN to become obsolete during 2023.

By the end of 2023 we encourage businesses to plan to migrate across to IP telephony. We can advise you on the best path.

Let's Go

VoIP is now essential for your business.

IP telephony is the future and it is here to stay. Upgrade today to save money and improve your communications.

Let's Go

Beat the BT ISDN Switch off with a cloud hosted telephone system from Birmingham Telecom.

Asset 21
Product Name
CallSwitch Lite
CallSwitch Business
3cx Professional
Number of Users

1 to 20

5 to 1000
5 to 1,000
Ideal for
Remote working, Simple working environments
Growing or established businesses looking & remote workers

Business of all types who require integrated apps with mobile or hybrid workers

Call Package Option
Inclusive UK Landline & Mobile Calls
Inclusive UK Landline & Mobile Calls
Inclusive UK Landline & Mobile Calls
Video & Audio Conferencing
Yes
Yes
Yes
Phone Numbers
Keep your existing phone numbers or choose new numbers.
Keep your existing phone numbers or choose new numbers.
Keep your existing phone numbers or choose new numbers.
ISDN Switch off Ready ?
Yes
Yes
Yes
Installation
Self or Engineer Installation
Self or Engineer Installation
Self or Engineer Installation
Maintenance

Included

Included
Included
Future Proofing
Automatic updates. Easily add users, simple to relocate
Automatic updates. Easily add users, simple to relocate
Automatic updates. Easily add users, simple to relocate
Cost and payment options
Per user / per month
Per user / per month
Fixed monthly cost for the entire system

Work with a company who cares about its business customers >

Martin Hogan
Martin Hogan
One of the best telecommunications companies around, super knowledgeable staff and always willing to help wherever they can.
Michael Diamond
Michael Diamond
Birmingham Telecom have always offered us great service and support. Which was a real breath of freshair compared to BT
Amy Owen
Amy Owen
An amazing, professional, above and beyond service. We have recently moved over to Birmingham Telecom from another 3CX supplier. Where our old suppliers were terrible and misleading, Birmingham Telecom has been extremely helpful and forthcoming with any issues or charges that we would incur. Can highly recommend this company, massive thanks to Dan and Lee who have helped us out so much.
Home Creations
Home Creations
Dan Bailey - quick, helpful & concise
Dawn Farrugia
Dawn Farrugia
Our Company, The Phoenix Pattern & Tool Co Ltd, have been customers of Birmingham Telecom since they started out. They have replaced our phone system 3 times, recently bringing us into the 21st Century. The 3CX system that we have now is user friendly and the app enables working from home much more convenient. Special thanks to Andy for always getting the right product to suit us and Shaun for the time and effort put in with us during and after the installation, Dan and Lee for attention given quickly to any of our queries. A great job, I have no hesitation recommending Birmingham Telecom.
Joseph Millyard
Joseph Millyard
We have just signed to transfer over to Birmingham Telecom in the last week, the transition is not due to take place for a few weeks, but our phone and internet line was cut last week. This company setup an app-based phone system within a few hours getting us back up and running and receiving the calls. Amazing effort and great first impressions. Very positive, knowledgeable, and supportive staff.
Nicky Smith
Nicky Smith
The best customer service I can remember! Stacy helped me chose the right headset and was very patient when I changed my mind. Nice, simple packaging and a prompt service. Thoroughly recommend.
david edwards
david edwards
Great support from dan and the technical team at Birmingham telecom - solved my internet problem quickly and efficiently. Great job. I would recommend this company for all your IT and telecomms requirements
Tim & Sue Alder
Tim & Sue Alder
Very happy with headsets. Amazing customer service form Stacy. Issue with delivery dealt with quickly and efficiently. Highly recommend Dorset Private GP - for all your private Covid testing needs

BT ISDN Switch Off Timeline >

2017
2017

BT Announcement

BT announce the intention to switch off the PSTN and ISDN network by 2025

2018
2018

Openreach Investment

Openreach make heavy investment into making improvements into their network, aiming to make new fibre technologies available to all.

2020
2020

BT Reminder

BT issue a 5 year reminder that WLR is being withdrawn and to advise customers to consider upgrading to IP telephony.

2023
2023

Lecacy Sales Stopped

BT will stop selling products on either ISDN or PSTN networks meaning existing services cannot be added to or upgraded.

2025
2025

WLR is Withdrawn

WRL will be withdrawn completely leaving customers who have not upgraded scrambling to upgrade at the last minute.

Talk to Us

Explore benefits you get when switching to Birmingham Telecom >

Fixed price promise

We 100% guarantee that throughout the duration of your contract with us there will be no price increases.

Reduced rental.

Birmingham Telecom use our wholesale buying power to save you 82% against legacy phone lines.

Maintained by us.

We look after all of our own customers through our in-house support and provisioning team.

Transparent billing.

We prepare our bills in house and can guarantee accurate telephone bills every single month.

Switch for FREE.

You won't be charged anything when you upgrade to SIP. Everything is handled by our in house team.

Keep your numbers.

When you switch to SIP, your numbers are always safe. Our team will ensure a smooth and fast transition.

In house support team.

Our tech support is based in house so you always get to deal with the same people day in, day out.

Telecom experts.

We are experts in our field with a 99.2% customer retention rate, offering the best service at all times.

Save Money

Save up to 82% when you upgrade to SIP Trunking

Switch Provider

Switch to a more reliable, cheaper, UK provider

Get a FREE Quote

FREE comparison against your existing supplier

Upgrade to SIP Trunking, beat the ISDN switch off and get your FREE Quote Today

To find out how Birmingham Telecom can help save up to 82% on your current phone bills. Call our team on 0121 716 8888 for a FREE, no obligation quote.