Virgin Media O2 Deploys AI Voice Agent to Handle Support Calls

Virgin Media O2 has launched an AI-driven voice agent to assist customers with selected broadband fault queries, partnering with enterprise conversational AI platform Sierra.

The telco is rolling out the technology gradually, initially targeting a subset of routine broadband fault calls that comprise a small share of its overall contact volumes. The tool is designed to triage and resolve common, transactional issues automatically, allowing human frontline advisors to dedicate more time to complex, escalated, or emotionally sensitive queries.

Customers interacting with the system retain the option to transfer directly to a human support agent. Virgin Media O2 confirmed that calls will be monitored internally to evaluate system performance and iterate based on customer feedback.

The launch complements the operator’s broader customer contact strategy. In recent months, the company established a dedicated UK-based team of more than 500 agents tasked with managing complex cases, such as vulnerable customer support and bereavement.

In parallel, the brand partnered with the Institute of Customer Service to deliver accredited frontline training and introduced Lumi AI, an in-house agent-assist tool that delivers real-time conversational prompts to human representatives.

According to data from regulatory body Ofcom, the provider has seen sustained reductions in consumer complaints over the preceding 18 months alongside an uptick in 24-hour resolution rates.

Commenting on the deployment, Alan Stott, Chief Operating Officer at Virgin Media O2, said:

“Customers want support that is quick, simple and effective, and our people want the right tools to help them deliver brilliant service. Launching this service is another step forward in our plan to use technology responsibly to improve the customer experience. “This is about supporting our people, not replacing them. By using AI to help with routine journeys, we can give customers faster support where it makes sense, while freeing up our advisors to focus on the complex, sensitive and human moments where their expertise and experience make the biggest difference.

“We’ve made real progress improving customer service, from investing in specialist teams and accredited training to rolling out AI tools like Lumi that empower our advisors. But we know there is more to do, and we’ll continue testing, learning and investing so we can deliver even better service for our customers.”

Bret Taylor, CEO and co-founder of Sierra, added:

“The companies getting the most from AI start with a clear business goal and use AI to reach it – rather than approaching AI as a standalone project. Virgin Media O2 is doing exactly that, kicking off with a specific broadband use case where AI can help customers get support faster, then learning and expanding over time. We’re so proud to partner with them to create effortless experiences for customers.”

Industry Impact

Historically, voice automation in telecommunications has struggled with rigid, frustrating interactive voice response (IVR) menus that damaged customer satisfaction. By combining modern conversational voice AI with targeted triage—and clearly establishing a low-friction escalation path to specialized human agents—Virgin Media O2 is validating the emerging blueprint for hybrid contact centers.

For the wider industry, this signals that enterprise AI adoption will increasingly prioritize deep, domain-specific execution over wholesale agent replacement, raising the bar for how Tier-1 service providers balance cost containment with brand-protective human escalation.

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