A free guide where we answer some of the most frequently asked questions about the PSTN switch-off and what it will mean for your business.
ISDN and PSTN services are being switched off by January 2027, due to Openreach no longer supporting the ageing Public Switched Telephone Network (PSTN).
The switching off of traditional copper telephone lines will see the withdrawal of both PSTN and ISDN telephone systems, with fibre optic based Internet telephony taking their place.
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