PSTN Switch-Off 2027: What Service Businesses Need to Know

In January 2027, the UK's Public Switched Telephone Network (PSTN) - the analogue copper-wire system that has powered landlines for over a century - will be permanently switched off. If your business still relies on a traditional phone line, this affects you directly.

What Is the PSTN Switch-Off?

BT Openreach is migrating all UK phone services to digital (VoIP) infrastructure. This means every analogue phone line, ISDN connection, and traditional fax line will stop working. The transition has already begun - BT stopped selling new PSTN lines in September 2023.

Who Is Affected?

Any business using traditional landlines, ISDN systems, or analogue-based phone equipment. This includes:

• Small businesses with a single office landline
• Medical practices and dental clinics with legacy phone systems
• Hotels and restaurants using traditional reception lines
• Any business with alarm systems, EPOS, or fax machines on PSTN

What You Need to Do

The migration to VoIP is inevitable, but it's also an opportunity. Instead of simply replacing your old phone with a digital equivalent, consider upgrading to an AI-powered phone system that can:

• Answer calls 24/7 with a natural-sounding AI voice agent
• Qualify leads and book appointments automatically
• Route complex calls to the right team member
• Provide call transcripts, summaries, and analytics

The Timeline

While the full switch-off happens in January 2027, many exchanges are already being migrated. Waiting until the last minute means rushed decisions and potential downtime. The best time to plan your transition is now.

How Voxara Can Help

We build AI voice agents that run on modern VoIP infrastructure. When the PSTN shuts down, your business won't just survive - it'll have a phone system that's smarter, cheaper, and available 24/7. No more missed calls, no more voicemail black holes.