Is ISDN dead? Well, no. Not quite. But there’s not much time before we say goodbye to this outdated technology. The Great BT Openreach ISDN Switch off is upon us, scheduled to be completed by 2025. Discover powerful ISDN alternatives that will evolve your business.

Don’t get left behind.

Upgrade your phone system and save money!
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Make sure your business is geared up for the change. Call Focus Group today on 0330 024 2222 or email sales@focusgroup.co.uk

ISDN is Dead | PSTN and ISDN Switch Off

ISDN and PSTN have had their day

These technologies have served their purpose, but no longer support businesses efficiently and cost-effectively in this fast-paced digital world that demands faster speeds and better connections.

It’s time to move on, time to review your business telephone system, time to future-proof your revenue! ISDN is Dead!

Don’t panic. If your business still uses ISDN technology, we can help! We can migrate you to an alternative IP based telephone solution quickly and seamlessly.

Call our communication experts on 0330 024 2222 or email sales@focusgroup.co.uk to explore your options.


ISDN Alternatives | Why Switch from ISDN?

Why should I upgrade?

Voice over IP (VoIP) technology is vastly superior in that it offers so many benefits, not least the capability to stay connected anytime, anywhere. This means your workforce are working smarter and faster, boosting your bottom line!

Other benefits include:

  • Cost benefits – there is no need for on-site equipment and you only pay for the users and calls made through internet lines
  • Easy set up and maintenance – everything is hosted in the cloud, with access at all times
  • Total flexibility – add or remove users, location doesn’t matter!


Alternatives to ISDN

Focus Group has the solution no matter the size or type of your business. We offer a cloud-based phone system, the perfect alternative to ISDN – Focus Horizon is designed to transform your business communications and boost productivity. Equipping you with lower call costs, Horizon boasts features you can easily control, removes the cost and burden of maintenance or upgrades – and it grows as your business grows!

Want to learn more about the ISDN switch off? Click here to read our blog post.

Cloud based phone systems

Get more and spend less with cloud based control! A system hosted in the cloud offers more flexibility on call management and less outlay on hardware and maintenance.


Benefits include:

  • Features you can easily control
  • Empower your staff with 'one number anywhere'
  • An on-demand service with no hidden costs
  • Lower call costs
  • Enables flexible working
  • Number choice
  • A business continuity solution

On-premise phone systems

SIP trunking also provides an IP based alternative to traditional ISDN phone line, connecting existing on-premise PBX equipment to the internet.


Benefits include:

  • Lower call costs
  • Increased flexibility
  • Compatibility with all leading IP PBX brands
  • Ability to scale up, or down, as required.