ESI-100 Communications Server

Digital, IP, or both - you choose
The ESI-100 Communications Server is a powerful tool 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-100 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.

Ready to shoulder the load for your business

The ESI-100 Communications Server combines multiple first-rate, feature-rich systems into one tightly integrated unit:

  • Business phone system
  • Voice mail
  • Automated attendant with six levels and 100 branches
  • Messages-on-hold
  • Enhanced Caller ID2
  • Automatic call distribution (ACD)
  • Intelligent Call Forwarding™
  • Optional Windows®-based VIP family of communication management tools
  • Optional ESI Presence Management
  • Optional ESI Media Management
  • Optional ESI Bluetooth® Voice Integration
  • Network-based VoIP telephony

Properly configured by your Certified ESI Reseller, the ESI-100 can handle your heaviest communications needs. In addition to the features mentioned above, the ESI-100 includes:

  • Digital stations, IP stations1 (including SIP), or any combination thereof
  • T1/PRI support
  • Massive voice message storage
  • Sophisticated voice mail features

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