You may have heard that many businesses are opting to switch to VoIP – but if you’re still wondering why or maybe even what VoIP is exactly, then take a look at our top reasons to switch today.

Yours may be one of the millions of businesses in the UK today that use ISDN. The system was first introduced in the 1980s as a way to transmit both voice and data over wired phone lines, and became popular as businesses discovered its usefulness for video and conference calls.

In 2015, BT announced that they would stop supplying new ISDN and PSTN lines by 2020. By 2025, the entire system will be phased out in favour of cloud-based and virtual VoIP and SIP systems. Existing ISDN users will need to make the switch to one of the new systems.