ESI Communication Servers-600
Ready to shoulder the load for your business
The ESI-600 combines multiple first-rate, feature-rich systems into one tightly integrated unit:

  • Business phone system
  • Voice mail
  • Automated attendant
  • 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*

Properly configured by your Certified ESI Reseller, the ESI-600 can handle your heaviest communications needs:

  • Up to 408 stations
  • Up to 168 outside lines
  • T1 support — Up to 144 T1 lines
  • 1,200 hours of voice message storage
  • Sophisticated voice mail features
  • Automated attendant has six levels, 100 branches
  • TAPI support
Powerful — but friendly
Despite its long list of features, the ESI-600 — thanks to famous ESI ease-of-use — is a phone system you’ll find friendly. It says, “Good morning.” It teaches you how to use and program it. It reminds you to change your personal greeting after a trip. And it stands by, ready to assist you whenever you need help. There are several different models of ESI desktop Feature Phones. Each is a compact, attractive addition to any desk, designed to simplify your telecommunications. Here are just two examples:
  • The display is large and easy to read.
  • The dedicated function keys (so you don’t have to memorize codes) give you more ease of use, even with the enhanced capabilities of the ESI-600.
If you’re frequently on the move throughout your workplace, an ESI Cordless Handset is the easiest way to stay in touch with other system extensions, not to mention your voice mail. The ESI-exclusive Quick Switch feature makes it easy to go from desktop extension to Cordless Handset at a moment’s notice; just press a key.

Easy to choose; easy to use
The ESI-600 System for Converged Communications 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 the ESI-600’s unique integration provides call processing efficiency and cost savings previously impossible.

Click here to learn more about the ESI-600, and then consult your Certified ESI Reseller.

* Some IP-related features require optional equipment. For more information, consult your ESI Reseller.
** Some features described herein are not available on certain ESI Feature Phones. See details page to learn more.
*** Requires Caller ID service from your telephone service provider.
† Requires use of ISDN Primary Rate Interface (PRI) line. See details page for more information on this feature.

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