Gavin Patterson the CEO of BT announced at an investor meeting that BT has set a date of 2025 to switch off ISDN services from its Public Switched Telephone Network (PSTN). Starting with a cease in supply in 2020 and moving to a full migration by 2025.

According to Ofcom there are 33.2 million fixed landlines in the UK (including ISDN). Approximately 7.6 million of these belong to businesses. BT is determined to slowly phase out legacy networks and platforms. The  intention being all customers will migrate all on to the IP network as soon as possible.

Businesses that still use ISDN can switch comfortably and quickly to SIP trunking or hosted VoIP with or without BT. Their numbers can be ported and retained and the whole service can be set up within weeks.

Although the BT ISDN end of life is set to 2025, BT have not yet set anything in stone. Whilst you’ll be unable to purchase ISDN and PSTN systems after 2020, it doesn’t mean you’ll automatically be switched off.  BT will NOT turn them off before they have an alternative firmly in place.

The final date is dependent on how successful UK wide fibre roll- outs are. Without the connectivity to run there is no real alternative to ISDN.

Is it your Time to Switch? 

Connectivity in the UK is getting faster and faster, so who knows it may happen even sooner than 2025. But while the date may move by a few years here or there, the one certainty is this; ISDN and PSTN are outdated technologies that are simply not as good as modern VoIP.

Whichever options you choose, cloud-based telephony is the future of communication and it will be here sooner than you think so get planning now and make sure your business doesn’t get left behind.

If you are interested in looking at this further, all we need is a copy of your current telephone bill and a quick chat to understand what type of systems you are using right now, to then provide a recommendation on when you should be planning to make the move towards VoIP services. Why not get in touch today on 0345 389 2310 to discuss your options. Alternatively, you can visit our Office VoIP Phone Systems page to find out how this great technology could improve your business.

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