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Get Prices → 📞 0121 268 0121BT is switching off every analogue phone line in the UK by January 2027. Here's what it means for your business and exactly what you need to do.
The analogue phone switch off (also called the PSTN switch off or BT Stop Sell) is BT's plan to shut down the entire UK analogue telephone network — known as the PSTN (Public Switched Telephone Network) — by January 2027.
This means every business and household in the UK that still uses a traditional copper landline must migrate to a digital (VoIP) phone system before the deadline. After January 2027, analogue lines will simply stop working.
The analogue phone switch off (also called the PSTN switch off or BT Stop Sell) is BT's plan to shut down the entire UK analogue telephone network — known as the PSTN (Public Switched Telephone Network) — by January 2027.
This means every business and household in the UK that still uses a traditional copper landline must migrate to a digital (VoIP) phone system before the deadline. After January 2027, analogue lines will simply stop working.
If you're still on an analogue line when BT switches off the network, your phone simply stops working. There's no transition period, no grace period — the line goes dead. This affects:
Switch to a VoIP (Voice over Internet Protocol) phone system before January 2027. This replaces your analogue line with a digital phone that works over your broadband connection. The process is straightforward:
Switching to VoIP typically costs less per month than your current analogue line — most businesses save 30–50%. There's no big upfront cost. Telexico offers migration packages starting from £15 per user per month including unlimited UK calls, AI receptionist and full installation.
ISDN (Integrated Services Digital Network) lines are also being switched off as part of the same programme. If your business uses ISDN for a traditional PBX system, you'll need to either replace the PBX with a hosted VoIP system or add SIP trunks to your existing PBX.
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"Switched our entire office phone system and broadband. The team handled everything, zero downtime. Saving over £200 a month compared to our old BT contract."
"Had failover installed after losing internet for a whole day. Assure X kicks in within seconds. Our team didn't even notice when the main line dropped last week."
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