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Navigating the PSTN Switch-Off: Essential Steps for SMEs

04 September 2023

The telecommunications landscape in the United Kingdom is undergoing a significant transformation with the planned switch-off of the Public Switched Telephone Network (PSTN).

As technology evolves and digital communication becomes the norm, traditional landline systems are making way for more advanced and efficient alternatives. 

For small and medium-sized enterprises, preparing for this change is crucial to ensure uninterrupted communication and business operations. 

In this article, we'll delve into the implications of the PSTN switch-off and outline essential steps SMEs should take to prepare.


Understanding the PSTN Switch-Off

The PSTN has been the backbone of voice communication for decades, serving as the infrastructure behind landline phones and internet access. However, as digital communication methods such as Voice over Internet Protocol (VoIP) and mobile networks have gained prominence, maintaining the ageing PSTN infrastructure has become increasingly expensive and less practical.

To address these challenges, major telecom providers in the UK have announced plans to phase out the PSTN network and transition to all-digital communication services by a set deadline. 

This transition will have a profound impact on SMEs, as traditional landline phones will no longer be supported, and businesses need to adapt to modern alternatives.


Steps for Your Business to Prepare:

  1. Assessment of Current Communication Infrastructure: You should start by evaluating your current communication setup. Identify all PSTN-dependent systems, devices, and services that will be affected by the switch-off. This could include office phone systems, fax machines, alarm systems, payment terminals and internet access.
  2. Explore VoIP Solutions: Voice over Internet Protocol (VoIP) is a popular and cost-effective alternative to traditional landlines. VoIP operates over the internet, offering features like virtual phone numbers, call forwarding, and integration with other business applications such as Microsoft Teams. Learn more about VoIP solutions for your business. 
  3. Upgrade Internet Connection: Since VoIP relies on internet connectivity, you should ensure your internet connection is robust enough to handle the increased data traffic. Upgrading to a higher-speed broadband plan or even a dedicated fibre-optic connection can enhance call quality and overall performance.
  4. Backup Power and Redundancy: Unlike traditional landlines that can work during power outages, VoIP systems require a power source. You should invest in uninterrupted power supply (UPS) solutions to keep your communication systems operational during blackouts. Additionally, having redundancy in place, such as a secondary internet connection, can prevent communication downtime.
  5. Update Contact Information: With the switch-off, businesses may receive new contact numbers or migrate to entirely new systems. You should put a plan in place to update your websites, marketing materials, and directories with the new communication details to avoid any confusion among clients, customers, and partners.
  6. Staff Training: Familiarity with the new communication tools is essential. Provide training to employees on using the new systems, including features like call forwarding, voicemail, and conference calls. A smooth transition will minimise disruption, enhance productivity and ensure user adoption is positive. 
  7. Data Security and Compliance: As you transition to digital communication, prioritise data security and compliance. Ensure that the chosen VoIP provider offers encryption for calls and messages, and verify that their services adhere to industry regulations such as GDPR. 
  8. Migration Timeline: Create a clear migration timeline and plan to ensure a seamless transition. This includes setting up the new communication system well in advance, testing it thoroughly, and addressing any issues before the PSTN switch-off deadline.


The PSTN switch-off in the UK marks a significant shift in the way businesses communicate. Everyone must take proactive steps to prepare for this transition to avoid disruptions and maintain efficient communication. By assessing current systems, exploring VoIP solutions, upgrading infrastructure, and providing proper training, businesses can smoothly navigate the changing telecommunications landscape and continue to thrive in the digital age. 


Looking for support with your migration?

Book a PSTN Audit with a Jungle Telephony Specialist. 


Ready to speak to an expert? 

If you have any questions about the PTSN Switch-Off, or you're ready to start a telephony migration then we're here to help. 

Patrick Pounder 1000Px 8652
Patrick Pounder

Cloud Solutions Consultant

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