Tag : BT Openreach
The BT Switch Off! Don’t be left in the dark
If you are using PSTN and ISDN voice services to support your phone system, you will no doubt have been informed that these lines...
The ISDN & PSTN Switch Off
BT Openreach has announced they will be switching off their existing PSTN and ISDN network by 2025 and switching to a single IP network....
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