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:

• Remote entry control with built-in doorphone.
• Access control.
• Presence indication.
• Personal call routing.
• Time and attendance management.
• Communication Server ESI-100
• Business phone system
• Voice mail
• Automated attendant with six levels and 100 branches
• Messages-on-hold
• Enhanced Caller ID
• Automatic call distribution (ACD)
• Intelligent Call Forwarding™ 
• Optional Windows-based VIP family of communication management tools
• optional ESI Presence Management
• Network-based VoIP telephony
• Digital stations, IP stations (including SIP), or any combination thereof
• T1/PRI support
• Massive voice message storage