ISDN is being phased out, what's the alternative?

Concise | Date: August 4, 2021 | 1 minute read


ISDN technology has been around since the world wide web was invented, and Haircut 100 was in the charts!  Learn more about the alternative to ISDN and why you should consider its benefits before the switch off. 

In 2025, BT will be switching off the lines that have been transmitting our phone and data for nearly 40 years. The switch off will affect businesses and the public as the PSTN (Public Switched Telephone Network) will also be affected.

If your business is still using ISDN for phone and data our blog, The ISDN Switch off is coming what you need to know, explain what's going to happen and why you need to be planning for it now. 

SIP is one technology that is helping businesses move to the next generation of digital telephony. Since 2007 UK businesses have replaced 2.4 million ISDN channels with SIP. Since 2013 telecoms operators have no longer been offering ISDN as an option for voice and data.  SIP and cloud hosted phone services provide the flexibility that businesses need. 


Technologies like SIP trunking and cloud-hosted telephony offer a more flexible, cost-effective telecoms solution for your organisation to help you achieve your business goals. Add ISDN replacement to your business agenda and speak with specialists in telecommunications services who can advise on the best solutions to future proof your business.

Speak to us today for a free, no obligation Telecoms Audit and see how much you could save. 

no obligation telecoms audit

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