This report details the performance trends associated with Microsoft Teams in organizations, particularly focusing on the impact of call quality on productivity. It presents findings from an analysis conducted using Martello Vantage DX data, which highlights that 3.1% of calls are unreliable, leading to significant productivity losses estimated at over $573,000 annually for a typical 5,000 employee organization. The report identifies primary causes of call issues, including local network constraints, bandwidth limitations, and Wi-Fi setup problems. It emphasizes the importance of addressing these issues to prevent unseen productivity leakage and improve user experiences. The analysis also reveals that a substantial number of users experience call failures and poor video quality, which can critically affect business operations. By utilizing monitoring solutions like Vantage DX, organizations can proactively identify and resolve these issues, thereby optimizing the value of their Modern Workplace investments.