Operator Connect Done Right: What IT Leaders Need to Know Ahead of 2026

In this interview, host Kieran Devlin sits down with William Rubio, Chief Revenue Officer at CallTower, to discuss the evolving landscape of Operator Connect and what IT leaders need to know before 2026

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Published: December 8, 2025

Kieran Devlin

William Rubio, Chief Revenue Officer at CallTower who has led their global expansion across 80 countries, offers a front-row view into how enterprises can optimise Microsoft Teams connectivity, integrate AI, and maintain compliance in complex, multi-region deployments. This is a must-watch for IT decision-makers preparing their UC strategy for the next wave of innovation.

As Microsoft’s Operator Connect ecosystem matures, IT leaders face mounting pressure to modernise telephony, maintain compliance, and prepare for AI-enhanced collaboration. In this insightful discussion, CallTower CRO William Rubio unpacks the evolution of Operator Connect—from its early days to its current enterprise-grade capabilities—and shares expert advice on how to make deployments seamless, measurable, and future-ready.

Key talking points:

  • The evolution of Microsoft voice: From Lync to Teams to Operator Connect—how CallTower became one of the first certified providers and what that means for reliability and performance.
  • Beyond basic connectivity: Why managed services, integrations, and AI-driven insights separate leading Operator Connect partners from transactional providers.
  • AI in UC and contact centres: How enterprises can start small, automate efficiently, and achieve real ROI through smart AI adoption.
  • Global compliance and hybrid deployment: Practical advice for navigating multi-region rollouts, data sovereignty, and hybrid PBX-Teams environments.
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