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 Proffesional unified messaging solutions, the productivity-boosting ESI PC Attendant Console , and ESI Presence Management .

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.

Voip- Use traditional cirucuit switched telephony to cost-efficient ip network-based telephony