News

The retirement of Ireland’s copper network is no longer a future concern. It is a national shift that is already underway and will directly affect how businesses communicate. Traditional phone lines are being retired, and organisations need to act now to avoid disruption.

For many businesses, this change is not just technical. It affects customer experience, day to day operations and long term resilience. As a result, understanding what the switch-off means and planning your next steps is critical.

What Is the Copper Network Shutdown?

The copper network shutdown is the process of retiring traditional copper-based communication infrastructure. This includes older phone technologies such as PSTN and ISDN lines, which have supported business communications for decades.

This transition is often referred to as the PSTN switch off in Ireland, where legacy phone networks are being retired and replaced with modern digital alternatives. The ISDN switch off is part of the same wider move away from legacy infrastructure.

These systems were designed for analogue communication. However, modern businesses rely on digital tools, cloud platforms and integrated communication systems. As a result, copper-based infrastructure is no longer fit for purpose.

This is not a gradual improvement. It is a national infrastructure change that is not optional. If your business still relies on traditional phone lines, those services will eventually stop working.

When Is the Copper Network Being Switched Off in Ireland?

The transition is happening gradually rather than all at once. This is important for businesses to understand, as it can create a false sense of security.

The transition is being rolled out region by region.¹ Some areas may experience changes sooner, but the overall direction is clear. All copper-based services will be phased out as part of a nationwide modernisation effort.

Key points to be aware of:

• The shutdown is already underway across Ireland
• Regional timelines vary depending on infrastructure
• Demand for upgrades will increase as deadlines approach
• Waiting too long may result in delays or limited availability

Even if your business has not yet been directly affected, acting early gives you more control. It also reduces the risk of disruption when timelines progress in your area.

What Does the Switch-Off Mean for Businesses?

This change affects far more than desk phones. Many businesses depend on copper-based connections for critical communication systems.

This includes:

• Phone lines used for daily communication
• Alarm systems connected to analogue lines
• Payment terminals that rely on traditional connectivity
• Other essential communication systems

If these systems are not upgraded, they may stop functioning altogether. As a result, business operations can be directly impacted.

The risks go beyond technology and directly affect operations:

• Service disruption that impacts customer interactions
• Loss of connectivity across key systems
• Operational downtime that slows productivity

For this reason, early planning is essential from a business continuity perspective.

In many cases, these systems are interconnected. For example, phone lines may support customer service, while alarms and payment systems rely on the same underlying infrastructure. When one element fails, it can create a wider disruption across operations, affecting both service delivery and internal workflows at the same time.

What Happens if You Don’t Upgrade?

Choosing not to upgrade or delaying a business phone line upgrade can have serious consequences. Once copper lines are switched off as part of the PSTN switch off, services depending on them will no longer work.

This can result in:

• Inability to make or receive calls
• Loss of access to key communication systems
• Disruption to day-to-day operations

In practice, this affects both customers and internal teams.

For example:

• Customers may be unable to reach your business
• Sales opportunities could be missed
• Internal communication may become unreliable
• Operational delays can affect service delivery

The impact is not limited to inconvenience. It can also lead to revenue loss, reduced productivity and long term reputational risk.

What Are the Alternatives to Copper Lines?

As copper lines are phased out, businesses must move towards modern communication systems designed for digital environments.

The main alternatives include:

• VoIP, which enables calls over the internet
• Cloud-based phone systems that remove reliance on physical infrastructure
• Modern digital phone systems designed for business use

Cloud-based telephony allows businesses to manage communication without relying on traditional copper infrastructure. In addition, these solutions support flexibility, scalability and future growth, making them a key part of any network upgrade strategy.

Below is a comparison between copper-based systems and modern digital phone systems:

This shift is not just about copper line replacement. It is an opportunity to modernise communication systems, support digital transformation and improve how your business communicates.

Security and How VoIP & Unified Communications Replace Traditional Phone Lines

VoIP, or Voice over Internet Protocol, allows businesses to make calls using an internet connection instead of traditional lines.

Instead of relying on copper infrastructure, voice data is transmitted digitally. This makes communication more flexible, scalable and easier to manage.

Key benefits of VoIP and unified communications include:

• Calls can be made from anywhere with an internet connection
• Communication is centralised across teams and devices
• Integration with collaboration tools improves productivity

For example, solutions like Voice for Teams allow businesses to integrate calling directly into Microsoft Teams, creating a single platform for communication.

In addition, VoIP business solutions can help teams work consistently across offices, remote locations and mobile devices.

Additional advantages include:

• Reduced reliance on legacy infrastructure
• Improved business continuity through cloud-based systems
• Greater control and visibility over communication systems

These solutions represent a modern replacement for ISDN and PSTN. They also support businesses as they adapt to new communication requirements and customer expectations.

Why Businesses Should Act Now

Although the rollout is gradual, the risks increase as timelines progress. Demand for upgrade services will grow as more organisations begin planning their transition.

This can lead to:

• Longer lead times for implementation
• Reduced availability of support
• Increased pressure on internal teams

Acting early allows businesses to plan their network upgrade in a structured way, rather than reacting under pressure. It also gives teams more time to identify dependencies and avoid disruption.

From a decision-making perspective, early action enables:

• Alignment with business goals and growth plans
• A controlled transition with minimal disruption
• Reduced operational risk

Below is a comparison of acting early versus delaying your upgrade:

For organisations focused on resilience and efficiency, planning ahead is the most effective approach. Businesses are also increasingly looking for alternatives to copper phone lines as the shutdown progresses, so earlier planning can help secure the right voice solution before demand rises further.

How Viatel Supports Businesses Through the Transition

Upgrading communication systems requires more than replacing technology. It involves understanding how your business operates and what it needs to function effectively.

Viatel takes a consultative approach to help businesses manage the transition away from legacy infrastructure.

This includes:

• Assessing your current communication systems
• Identifying dependencies on copper-based services
• Recommending solutions aligned with your operations

Viatel’s Voice & UC solutions are designed to support modern business needs. This includes voice services that help organisations move from traditional lines to flexible, cloud-based communication.

Support includes:

• Guidance on moving away from legacy communication systems
• Tailored recommendations for your organisation
• Solutions that improve productivity, resilience and flexibility

The focus is not just on replacing copper systems. Instead, Viatel helps businesses build communication environments that support long term growth.

The retirement of copper-based services will impact how your business communicates and operates.

Speak to Viatel about upgrading your systems and planning your transition early to avoid disruption.

Contact Viatel to start planning your upgrade

References

1. Commission for Communications Regulation (ComReg), 2024. Migration from Legacy Infrastructure. Available at: https://www.comreg.ie/industry/electronic-communications/migration-from-legacy-infrastructure/ [Accessed 25 June 2026].