/ Case Studies / Transforming Call Center Operations with Microsoft Teams Voice Case Studies Transforming Call Center Operations with Microsoft Teams Voice A U.S.-based organization partnered with Concurrency to modernize its legacy telephony system and implement a cloud-based call center solution using Microsoft Teams Voice. Facing limitations with its existing phone system, the organization needed a scalable, integrated platform to support customer interactions and internal communication. Concurrency delivered a Teams Voice solution with advanced call routing, auto attendants, and call queues—enabling a streamlined, high-performing call center experience and a future-ready communication foundation. Critical Issue The organization’s legacy phone system was costly, difficult to manage, and lacked modern call center functionality. Inefficient call routing and limited visibility into call flows impacted both customer experience and internal productivity. Leadership needed a modern solution that could support high-volume communication while simplifying operations and improving reliability. Customer Profile A mid-to-large enterprise organization with a distributed workforce and a reliance on call center operations to support both internal teams and customer-facing functions. The organization prioritizes responsiveness, operational efficiency, and scalable communication platforms aligned with Microsoft 365. Key Problem The organization needed to replace its legacy voice platform with a modern call center solution that could support dynamic call routing, improve service responsiveness, and integrate with its existing Microsoft environment—including Azure Virtual Desktop (AVD). The solution also needed to be flexible enough to adapt to evolving requirements identified during implementation. BUSINESS CHALLENGES Before partnering with Concurrency, the organization faced several challenges: Legacy telephony limitations restricting modern call center capabilities Inefficient call routing processes without automated attendants or queue management Fragmented communication experience across multiple tools Compatibility challenges between voice systems and Azure Virtual Desktop (AVD) Evolving requirements due to incomplete discovery inputs Outcomes Modern Call Center Experience with Faster Call Handling The Teams Voice implementation delivered a centralized call center solution with auto attendants and call queues, driving an estimated 25–40% improvement in call routing efficiency and reducing average call handling time while improving overall responsiveness. Consistent Voice Performance Across Hybrid Environments By addressing compatibility challenges between Teams Voice and Azure Virtual Desktop, the solution enabled a reliable, high-quality communication experience across both physical and virtual environments—supporting hybrid work without disruption. Scalable, Cloud-Based Communication Platform The organization successfully transitioned 100% of users from legacy telephony to Teams Voice, consolidating communication into a single platform and reducing complexity while enabling future expansion into advanced call center capabilities and AI-driven insights. our solution Concurrency partnered with the organization to design and deliver a Microsoft Teams Voice call center solution tailored to both immediate operational needs and long-term scalability. Discovery & Design Conducted discovery sessions to define call center and telephony requirements Adapted solution architecture to evolving business needs Aligned design to support both Teams Voice and AVD environments Build & Configuration Configured Teams Phone System with auto attendants and call queues Established call routing logic and policies Designed solution for efficient call center operations Integration & Optimization Resolved technical challenges between Teams Voice and Azure Virtual Desktop Ensured reliable voice performance across environments Optimized system configuration to enhance user experience Deployment & Support Executed full migration from legacy telephony to Teams Voice Provided high-touch, real-time support during critical phases Maintained close collaboration with stakeholders to drive adoption IMPLEMENTATION HIGHLIGHTS Teams Voice call center solution deployed with auto attendants and call queues Legacy phone system fully retired Azure Virtual Desktop-compatible voice solution implemented Adaptive architecture approach to accommodate evolving requirements Proactive and responsive support model ensuring continuity and success BUSINESS VALUE By adopting Microsoft Teams Voice, the organization transformed its call center operations into a modern, cloud-based experience. Employees now operate within a single communication platform, improving responsiveness and collaboration, while IT benefits from simplified management and reduced infrastructure complexity. The organization is well-positioned to expand its capabilities through advanced automation and AI-driven communication insights. CONCLUSION By partnering with Concurrency, the organization successfully transitioned from a legacy phone system to a modern Teams-based call center. The engagement delivered immediate gains in efficiency, reliability, and user experience, while establishing a scalable foundation for future communication and innovation initiatives. Microsoft Teams Voice FAQs What is Microsoft Teams Voice and how does it support call center operations? Microsoft Teams Voice allows organizations to manage inbound and outbound calls within Teams, including advanced features such as call queues, auto attendants, and routing. What are the benefits of modernizing a legacy phone system? Organizations can reduce costs, simplify technology management, and improve flexibility by consolidating communication into a single cloud-based platform. How does Teams Voice improve call routing? Teams Voice includes automated routing features such as auto attendants and call queues, helping organizations direct calls efficiently and reduce wait times. What challenges can occur during a Teams Voice implementation? Challenges can include integration with existing systems, evolving requirements during discovery, and ensuring compatibility with environments like Azure Virtual Desktop. Can Teams Voice support future enhancements? Yes. Teams Voice provides a scalable foundation for advanced capabilities such as contact center integrations, workflow automation, and AI-powered communication insights. What makes a Teams Voice deployment successful? Strong collaboration, flexible design, and responsive support throughout implementation are key to ensuring successful adoption and long-term value.
