
BT initially announced the ISDN switch off back in 2015, setting out a decade long plan to phase out the technology. ISDN has limited capacity and functionality so it’s no surprise to see it being phased out in favour of IP (Internet Protocol) based services. Read more about the switch off and alternative options, below.
Get a quoteVoIP tends to be quicker to provision than ISDN and boasts flexibility that ISDN simply couldn’t provide.