All Telecoms companies will stop selling PTSN phone services as BT switches off its PSTN network on 31/12/2026.

the 27.3 million Businesses and residential properties with a PSTN connection will see their phonelines discontinued.

Anyone who needs to communicate with customers and suppliers, who take orders, reservations or answers enquiries or even speak to family or friends will have to change and need a VoIP phone or application to do so.