BT are switching off PSTN and ISDN!

You might’ve already had some communication¬†from your current provider about the changes coming in 2025 and the “great switch off”, but the jargon can be confusing to understand. We do love a bit of jargon in the telecoms world. And we really love our acronyms! The 3 important acronyms you need to know are… PSTN …

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