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ISP Zen Internet Warn UK Businesses Unprepared for Phone Switch-off

Thursday, Dec 12th, 2024 (3:59 pm) - Score 1,600
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A new survey conducted by broadband ISP Zen Internet claims to have revealed that UK businesses are still “alarmingly unprepared” for the transition to IP-based digital phone (VoIP etc.) services. This is occurring with the phased shutdown of the Public Switched Telephone Network (PSTN) and Integrated Services Digital Network (ISDN).

Just to recap. The big switch-off was recently delayed to 31st January 2027 in order to give broadband ISPs, phone providers, telecare operators and consumers more time to adapt (details). But the main focus of this delay was the 1.8 million people who use vital home telecare systems in the UK (e.g. elderly, disabled, and vulnerable people), which often aren’t compatible with the replacement VoIP / IP-based digital phone services (i.e. for everybody else the deadline is still technically Dec 2025).

NOTE: Openreach are withdrawing their old Wholesale Line Rental (WLR) products as part of this change, while BT are retiring their related Public Switched Telephone Network (PSTN).

However, Zen’s survey found that only 18% of small businesses and 26% of large businesses currently have a post-PSTN solution in place. With enterprise and SME results combined, 27% are assessing their options and 17% of businesses are yet to work out what their next steps will be. Nearly a fifth (19%) are currently migrating to another system.

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Even more concerning, some 9% remain unaware of the impending ‘landline’ network switch off entirely. Zen also worries that the revised 2027 deadline could catch businesses out. After December 2025, businesses could receive just 90 days’ notice to migrate to all-IP solutions or risk losing access to essential communication and operational systems, which would be a nightmare for those that have failed to prepare.

David Barber, Strategy Director at Zen, said:

“While our research shows good awareness that the switch off is happening there’s a clear disconnect between knowing about the end of PSTN and having a future-proof solution in place. Too many businesses may be leaving decisions around all-IP communications to the last minute, which could be a recipe for disruption.

There’s no need to panic, but preparation is key. Businesses should start thinking about the options open to them now. Check what’s available in your area, conduct an audit of all systems that rely on the old network, and talk to your technology partners. At Zen, we’re always happy to run through what PSTN means for our customers.”

The data which forms the basis of this research study was derived from a survey conducted by Censuswide, among a sample of 1,900 business leaders, including 1,004 CEOs in large businesses (250+ employees), 403 decision makers in large businesses (250+ employees) and 500 IT decision makers in SMEs. The data itself was collected between 15.08.204 – 27.08.2024.

Naturally, Zen Internet has a vested interest here, as they’re in a position to help with such transitions. But at the same time, the warning about a lack of preparation remains very valid.

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Mark-Jackson
By Mark Jackson
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on X (Twitter), Mastodon, Facebook, BlueSky, Threads.net and .
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Comments
4 Responses

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  1. Avatar photo Blue Shirt Guy says:

    Well Zen certainly know about how to switch off phones without any preparation. They disconnected our landline without telling us (we only found out about a week later when I needed to call 111) and since we use our own router and they don’t have any kind of separate ATA solution (or battery backup when I last asked) have effectively killed it, despite it being needed for medical reasons.

    1. Avatar photo tech3475 says:

      Not sure if this helps, but IIRC when I asked Zen a couple of years ago, they said they do offer to provide SIP details so you can use it with a separate ATA/softphone.

    2. Avatar photo Blue Shirt Guy says:

      Yes I have the SIP details but for some reason they never worked despite an AAISP and other VoIP working fine. Also they apparently only work from the main account IP, which might an issue if you have a /29 etc.

      Either way they should not have been disconnecting existing landlines in non-fibre areas without notice.

  2. Avatar photo Josh Welby says:

    I can help people in London prepare for the PSTN Switch-off
    Homes and Businesses a
    I have a solution than get Landlines and Faxes running again
    and maybe TeleCare devices as well
    So you do not need to throw out your old Phones and Faxes just yet

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