This document summarizes the findings of a survey about revenue assurance functions in the telecommunications industry. The survey found that rapid changes in technology and business models are increasing the risk of revenue leakage for telecommunications companies. It also found that revenue assurance functions face increasing pressure to identify and address revenue leakage and fraud. Additionally, the survey highlighted some of the ongoing challenges for revenue assurance, such as complex network systems and partnerships, and provided guidance on how companies can reduce revenue leakage and optimize margins.