BT phasing out ISDN

Prepare to switch to an IP Network

Earlier this year BT confirmed their plans to migrate all customers off their PSTN and ISDN networks by 2025, but what does this mean for your business?

Put simply, BT are moving away from traditional telephone lines and instead relying on Internet Protocol to carry voice data.

Any customers using the old networks will have to upgrade to an alternative solution, such as VoIP or SIP.

BT CEO Gavin Patterson said: “We already serve many thousands of customers and businesses using IP. Our goal is that by 2025 all our voice customers will be served using an IP to the premises solution, and will migrate off the traditional telephony platform.”

So the UK telephone network is set to drastically change in the next few years. There will be a huge leap towards IP telephony systems provided via an internet based connection.

ISDN has undoubtedly been a robust and reliable technology. However, during this phase out of ISDN, BT’s investment in the technology will also diminish – making it less reliable over time.

The migration date might still a few years away but now is the time to start exploring the benefits and opportunities of VoIP technology. We can help your business get set up with your own hosted VoIP system.

Introducing PurpleHorizon…

PurpleHorizon Hosted Telephony is a complete communications service for your business that provides an extensive range of fixed line and mobile capabilities via an easy-to-use web portal.

Our solution comes with an intuitive user interface allowing you to control every aspect of your phone system. As it’s hosted online, any amendments can be made remotely without the need for an engineer visit.

PurpleHorizonAnd with only a minimal capital outlay required, a reliable and proven service and a jargon-free approach to telephony and communications, PurpleHorizon is suitable for any size business looking to improve its productivity and image.

By switching to PurpleHorizon you can immediately benefit from a more flexible and inexpensive phone service with free calls to UK 01, 02, 03, and mobile destinations. You can even keep your existing phone number.

Purple Horizon Benefits:

  • Cheaper calls and ongoing costs
  • Mobile and flexible working
  • Efficient call handling features
  • A wide range of handsets

For more information on how PurpleHorizon can help your business or to arrange a free survey please contact us on 0845 606 1000 or email or

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