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ESI 55 Digital/IP Business Phone

The ESI 55™ Digital/IP Business Phone is a multifunctional phone with 30 customizable keys that provides users with a powerful combination of capability and ease of use.

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ESI 55 Digital/IP Business Phone

Features and Specs

  • Digital; Ethernet IP 10/100 Network
  • 30 (up to 150) Programmable Keys
  • Dedicated Voicemail Key
  • Dedicated Help Key
  • Dedicated Record Key
  • Full Duplex Speakerphone
  • Integrated Headphone Jack
  • Power Over Ethernet
  • Busy Lamp Field (BLF)
  • Call Forward
  • Call Transfer
  • Conference
  • Do Not Disturb / Mute
  • Redial
  • 3-line, 56-character Adjustable Backlit Display


Special Keys and Their Uses

Using Your Phone

Programming Your Phone

Programmable Feature Keys

Special Features

Using Help Mode

Using Voicemail

Compatible Systems

ESI IP Server 900 Business Phone System

ESI IP Server 900

ESI Communications Telephone Servers

ESI Communications Servers

Contact us today to discuss how we can improve your communications

We collaborate with you and identify ways to improve your business communications with tailored solutions to meet your workforce and business needs.

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