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The UK ISDN & PSTN Switch Off

Here is a quick summary of what is happening:

  • Old telephone technologies (ISDN & PSTN) are being retired.
  • VoIP (Internet Telephony) is the replacement.
  • Open Reach is currently phasing out the old technologies, with them set to be gone by December 2027.
  • Businesses must move off their old technology or risk losing their voice communications.

ISDN and PSTN, abbreviations for old copper telephone technologies, are set to be switched off as the UK looks to move forward with more modern VoIP technology.

Before you panic, VoIP isn’t a new technology; it has existed for many years. Its teething problems have long been resolved, and it is now common in mobile applications and software.

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What is VoIP?

VoIP is a technology that allows calls, messaging, and video calls to be made over the Internet.

Without realising it, you’ve probably used VoIP to make or receive a call in the past. If you have made a WhatsApp call or used Apple’s FaceTime, these platforms use VoIP to deliver their services

Access to quick Internet speeds has always been a setback for VoIP, which relies on a steady Internet connection to deliver a good-quality call. Improvements within the broadband market, such as faster Internet speeds and access for rural areas, have meant that the vast majority of businesses and households can now use VoIP.

FAQs About the ISDN Switch-off

When is the ISDN Switch Off in the UK?

The UK ISDN switch-off is scheduled for December 2027.

What Will Happen to ISDN AND PTSN Phones?

If you have not switched to a modern phone line or system, you may completely lose your phone communication after this date.

What Other Business Systems Could Be Affected?

Fax machines are most likely to be impacted; however, older CCTV systems and alarms that run on ISDN could also be affected.

What Services Can I Switch to?

A VoIP Phone Line or a Phone System will suit most businesses.

The Benefits of VoIP Phone Calls

Not Just Voice

VoIP allows for several forms of communication, including voice, messaging, conferencing, and video.

This allows modern systems to use all forms of communication, increasing productivity and efficiency.

Lower Overall Costs

Modern systems do not need the same level of infrastructure and hardware that traditional systems require.

Purchasing a new system has a much lower initial cost, and the overall cost of calls is lower.

Additional Features

VoIP phone systems come with a whole range of features that were not available or expensive additions.

Features such as voicemail, recording, monitoring, and queueing are readily available.

Increased Flexibility

Quickly adding or removing phone lines is a huge benefit for businesses. It gives them flexibility and the ability to react quickly.

It also allows staff to work remotely. No longer is a phone line tied to a desk.

Integration With Systems

You can now integrate your phone system with other business systems. Making everything more streamlined.

Data can be shared automatically from system to system, meaning more productivity and less hassle.

Security & Protection

UK phone lines are set for a big change in 2025, but do you know why?

ISDN and PSTN, abbreviations for old copper telephone technologies, are set to be switched off as the UK looks to move forward with more modern VoIP technology.

Why Choose in2tel for VoIP?

In2tel’s focus has always been customer service.

Our customers stay with in2tel because of the quality of its services and the high level of service we provide if things don’t go quite as planned.

We have our own business network, which allows for quick responses and vast knowledge without the need for third-party assistance.

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in2tel’s VoIP Phone System

It has all the features you could want from a modern phone system and is perfect for single users, small businesses, or large enterprises.

Unlike other systems that price small businesses out, we’ve made it cost-effective for all sizes.

You will also benefit from the in2tel network, its engineers, and its expertise, which means you have an unbeatable service.