![PSTN resource centre image](https://daisyuk.tech/wp-content/uploads/2023/02/PSTN-resource-centre-image.jpg)
Businesses currently relying on single analogue exchange lines or ISDN for their calls or broadband will need to migrate to a single-order, fibre-only alternative like Single Order Generic Ethernet Access (SOGEA). However, it goes beyond just voice and data; it affects other systems such as door entry systems, fax machines, PDQ devices, care home emergency alarms and more.
To find out now about the PSTN Switch-Off download the free infographic below.