ESI 600 Phone System
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Convergence. It’s a common term in today’s marketplace. With the ESI-600, convergence is not just a buzzword; it’s a powerful concept around which you can build your organization’s entire telecommunications strategy — and you don’t have to know it all in advance.
That’s because the ESI-600 System for Converged Communications can be: a traditional digital business phone system; a fully standards-based IP telephony system; or any mix of the two. The choice is entirely yours, and the mix can easily change when your needs do.
Like other higher-end ESI business telephone systems, the ESI-600 provides built-in voice mail, an automated attendant, and automatic call distribution (ACD). It also supports ESI’s VIP and VIP Professional unified messaging solutions, the productivity-boosting ESI PC Attendant Console, and ESI Presence Management.
ESI-600 Key Features
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.
- 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
- ESI Add-Ons
ESI Add-On Products
VIP Messaging Professional
With VIP (Visually Integrated Phone), you combine the power of your ESI phone system and Microsoft Outlook to enhance communication in your day-to-day activities — including the ability to control calls and organize voice mail and contacts.
ESI PC Attendant Console
Handling an active office’s phone traffic is an incredibly demanding task, particularly for an attendant who has other duties as well. That’s why ESI created ESI PC Attendant Console.
ESI Presence Management
ESI Presence Management is a hardware and software solution incorporating an innovative combination of RF scanning technology and ESI’s award-winning telephone systems. Now even small and medium-sized enterprises can reap the benefits.
ESI Feature Phones
Having an ESI phone system lets you choose from among a variety of our attractive and highly convenient Feature Phones. Each is a great addition to virtually any office decor, but it’s far more than just a “pretty face.”
ESI Cordless Handsets
Each ESI Cordless Handset uses proven, reliable 900 MHz technology to provide mobility to the user who’s constantly on the move in the office.

