BT announces ISDN switch off

BT announces ISDN switch off

by | Mar 17, 2017 | DSL & Broadband, ISDN, VoIP

ISDN switch-off has been announced. BT Group CEO Gavin Patterson has set a date of 2025 to switch off the Public Switched Telephone Network (PSTN) and Integrated Services Digital Network (ISDN). It might seem a long way off – but with millions of subscribers to...