Shown: ESI 24-Key Digital Feature Phone.

IVX is a registered trademark of ESI (Estech Systems, Inc.). For information on other ESI products, visit the main ESI Web site. Some features not accessible from 12-Key Feature Phone. Product specifications and details subject to change without notice.

Copyright © 2008 ESI (Estech Systems, Inc.). ESI phone systems are protected by various U.S. Patents, granted and pending. ESI is an ISO 9001-certified company.