IVX X-Class

ESI'S IVX X-Class is a robust, superbly expandable system that will meet the changing communications needs of most businesses for years to come. Whether you have many outside lines and large numbers of users, or just a handful of each, IVX's modulaer, flexible design grows with your business. IVX X-Class supports up to 84 phone lines and up to 168 ESI Feature Phones.

IVX E-Class

Any of these E-Class All-In-One Digital Phone Systems is an easy choice over other phone systems. Its ease of use and feature-richness reduces staff frustrations, increases productivity and enhances your corporate image. And an E-Class system’s unique integration provides call processing efficiency and cost savings previously impossible.

IVX C-Class

ESI builds big-system features into the small-business IVX C-Class. The patented IVX phone system design means all the vital business communications features are built in — not added on. Equipped to handle up to six phone lines, 12 digital stations
and two analog stations for fax machines or cordless phones, IVX C-Class gives your business a competitive edge.

IVX S-Class

ESI builds big-system features into the small-business IVX S-Class. The patented IVX phone system design means all vital
business communications features are easily accessible. Equipped to grow to 12 phone lines, 24 digital stations and six analog stations for fax machines or cordless phones, IVX S-Class gives your business a competitive edge.

ESI Link

Voice over IP (VoIP), the compelling technology that allows voice to travel over data lines, can help your business grow. By combining the reliability of traditional telephone systems with the flexibility of network connections, Esi-Link will improve the communications that drive your business, delivering enhanced customer satisfaction, increased productivity and an improved bottom line.

ESI Remote Feature Phone

Now you can have a full-featured office extension almost anywhere! ESI’s Remote IP Feature Phone is the perfect solution for off-site employees, temporary field offices, departmental teleworkers, or executives working from home. With all of the features and functions of in-office extensions, ESI’s Remote Phone becomes your fully intelligent “anywhere extension.”