The PSTN switch-off is usually framed as a telecoms deadline. Replace old infrastructure, stay compliant, move on. But that view is too narrow. For operations and IT leaders, the switch-off is also a rare chance to rethink how communications fit into the wider productivity and automation stack.
Speaking to UC Today at UCX Manchester, Mike Greenwood, Business Development Manager at Algo, said:
“We’ve got the ISDN switch-off, which is going to be key for a lot of partners. Organisations are going to have to change their infrastructure and their technology.”
That is the more useful lens for UC Today readers. Legacy PSTN and ISDN environments were built for isolated voice functions, not for connected workflows. They were never designed to work cleanly with collaboration platforms, customer portals, alerting systems, scheduling tools, or automated processes. So if organisations simply replace old lines with the nearest modern equivalent, they may hit the deadline while preserving the same fragmentation.
That matters even more in an AI-led workplace. Without IP-first, API-connected communications infrastructure, AI agents and automation tools have fewer operational signals to act on and fewer systems they can influence meaningfully.
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The Real Risk Is Rebuilding Yesterday’s Workflow in New Technology
The easiest response to a hard deadline is a like-for-like replacement. Same function, newer technology, minimal disruption. In communications, that often means swapping out legacy telephony without rethinking how alerts, announcements, intercoms, paging, and operational messaging connect to the rest of the business.
That is where workflow inefficiency survives the migration. Teams still manage separate systems. Staff still bridge gaps manually. Routine communications still sit outside the digital workflow stack. The business may become IP-based, but it does not automatically become more productive.
Where the Productivity Opportunity Actually Sits
The more valuable approach is to treat the switch-off as a productivity reset. When communication hardware becomes IP-first and API-connected, it can plug into the same platforms teams already use every day. That changes the equation.
“AI is going to help transform our technology and really help API integration into customer portals and customer-centric organisations.”
Announcements, alerts, incident notifications, door-entry interactions, and routine workflow triggers no longer need to sit in parallel systems. They can become part of a connected operating layer. That reduces manual intervention, lowers coordination effort, and makes it easier to automate repetitive communication tasks across the organisation.
That is especially relevant in sectors like education, manufacturing, healthcare, and logistics, where communication events are closely tied to workflow action. A disconnected paging or alerting system creates delay. A connected one can feed directly into the wider automation environment.
In a school, for example, a legacy paging system might simply broadcast an alert. An IP-connected system can trigger a Microsoft Teams notification, log the incident, notify facilities, and update a central workflow automatically. That is the difference between replacing telecoms and modernising operations.
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