
For ESI business telephone systems.
Open the door to ESI Presence Management, an amazing way to manage your business better and keep your facilities more secure. ESI Presence Management is an innovative combination of RF scanning technology and ESI’s award-winning telephone systems, offering presence status, call control, entrance security, and documented tracking of users’ work hours and attendance history.

Previously, many businesses couldn’t afford access control systems,
which usually involve expensive standalone hardware and software.
But now, that’s all changed. ESI Presence Management’s unique
integration with your ESI phone system offers advanced yet
affordable access-control technology, along with numerous additional
capabilities, including many that no other access control system can
match.
ESI was awarded a U.S. Patent for innovative human-presence-sensing technology. The same team whose research produced this breakthrough now brings you ESI Presence Management. It combines your ESI phone system with another revolutionary technology, RFID (radio frequency identification), to offer:
ESI Presence
Management Brochure![]()
ESI Time & Attendance Brochure![]()