January 2027 PSTN Switch-Off: What Services Are Affected & Why You Might Need to Act Fast
TechAdvance
MARCH 10, 2025
The PSTN switch-off isnt just about traditional landlines. If your business uses any of the following, you could be impacted: Business Phone Lines Any landline-based systems still running on PSTN or ISDN will need replacing with modern VoIP solutions. Identifying any services that rely on PSTN or ISDN is the first step.
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