The BT ISDN Switch Off – Easy Migration From ISDN To VoIP

The BT ISDN Switch Off

What is the BT ISDN Switch Off and why is it important not to ignore it? The BT ISDN Switch Off is here, and it has been announced in 2015. From 2020 you will no longer be able to purchase ISDN lines with a target date of 2025 for a switch off date. With over 2 […]