This document provides an overview of PARSEC's "User EM based Login Logout MIS (ELLM)" application for Cisco CUCM. The application collects user login and logout data from Cisco IP phones using Extension Mobility. It stores this historical data in a Microsoft SQL database. The ELLM application then provides web-based reports and downloads of this login/logout activity including user login durations, individual user login/logout times, and device details. The system requirements specify that the ELLM application needs to be installed on a separate Windows server with SQL Server, and have access to the Cisco CallManager cluster in order to collect Extension Mobility data.