BT Network Switch Off

Your BT Network Switch Off Update

Everything you need to know about the BT network switch off, PSTN withdrawal and the migration to cloud telephony services.

In 2025, BT will be switching off the PSTN and ISDN networks.

BT are moving all their customers from the old analogue public switched telephone network (PSTN) to a fully digital network. 

This is a full removal of traditional copper-based services from within telephone exchanges and then closing the exchange down. This will not only affect all PSTN & ISDN based technologies but also copper-based Broadband solutions such as ADSL and FTTC. This means that legacy products will be withdrawn from service and ceased.

Our cloud telephony experts can help advise on the best IP based systems for your business and work with you to formalise a clear migration plan.

Contact our BT Network Switch Off team on 01173 700900 to find out more.

PSTN and ISDN network switch off

How will this affect your business?

Any business that currently has a BT Analogue or ISDN line will be effected, as these services will cease in 2025.

Initial Exchange Withdrawal Dates have been confirmed by BT Openreach from as early as 2024 for a number of areas.  There will then be a rolling withdrawal of exchanges and ceasing of services across all areas through 2025.

Analogue and ISDN lines are generally used for the following business services:

  • Phone systems
  • Internet services
  • Alarm lines
  • PDQ machines
  • Fax machines
BT switch off

What do you need to do?

Make sure you have a clear understanding of the options available to ensure you have the right services and systems for your business requirements moving forward.

Alliance Communications are working with business to advise on the options available and how to best manage the migration of services away from the PSTN and ISDN networks to Digital IP based services.

We want to make sure businesses not only understand the options available, but also have a clear plan to migrate services in plenty of time before the switch off starts. And are supported through the process to ensure seamless continuity of services for your business.

If you would like more information or to explore the options available for your business, contact our BT Network Switch Off team on 01173 700900.

PSTN and ISDN switch off

Is IP better than PSTN?

Yes. Technology has moved forward and the PSTN network is increasingly out of kilter with the demands of modern communications. 

As businesses switch to mobile and internet communications, everyone demands much more than the traditional technologies were designed to deliver. 

In a move away from on premise systems, digital telephone solutions for businesses take the hardware out of your office, replacing it with an online communications platform.

From video conferencing and instant messaging to full call centre functionality, cloud telephony is designed to improve the efficiency of your business.

Cloud telephony

Contact our BT Switch Off Team

If you’d like to find out more, please contact our BT Network Switch Off team on 01173 700900.

Our experts offer impartial advice on the best telephony solutions for your business. We can help advise on the best IP based systems for your business and work with you to formalise a clear migration plan, saving you time, effort and money.