Openreach Warns Businesses as PSTN Switch-Off Nears

Openreach has warned that more than half a million UK business lines remain on legacy copper infrastructure and will face steep price rises as the Public Switched Telephone Network approaches its January 2027 switch-off.

A Century Old Network Reaches Its End

The Public Switched Telephone Network, known as the PSTN, has carried most UK phone calls for more than a century. Built on copper wiring and analogue switching systems, it has supported traditional landlines, fax machines, card terminals, alarm systems and lift emergency lines across the country.