BT are ceasing PSTN and ISDN services. Is your phone system really future-proof?
In favour of VoIP services (Voice over Internet Protocol) – BT have confirmed that they will be pulling the plug on PSTN (public switched telephone network) and ISDN (integrated services digital network) services in 2025 – starting the process as soon as 2020, forcing businesses to find other IP-based alternatives for their telephone systems.
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