This document discusses various cases of dropped calls and access failures that were analyzed using TEMS logs and Omega Tool. It examines 8 cases - dropped calls due to voice issues, missing messages, tester errors, interference, IUR, IRAT, missing neighbors, and access failures due to N300 timeouts. For each case, it describes the symptoms observed in the TEMS logs, the diagnosis provided by Omega Tool, and the suspected reason for the issue based on the analysis.