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Ideal for active business phone users ESI dPhone4

As the hub of your business, each ESI phone is purposefully designed and engineered to deliver the best in business communications. For 32 years ESI has worked to perfect the desktop phone.

Anyone can sell you a generic phone with their phone system. ESI phones are uniquely integrated with our solutions to work together in unison.

Featuring a four inch color display, the dPhone4 provides clear status indication for thirty-six programmable feature keys, enabling quick access to the extensions, cell phone numbers, and feature keys you need most. The dPhone4 is loaded with advanced capabilities yet incredibly intuitive to use.

Our goal is to maximize productivity for you and your staff. Users who need assistance in programming the phone also benefit from the HELP key that guides them through set-up, allowing them to spend less time programming and more time focusing on business.

The ESI dPhone4 is the only digital business phone on the market with a color display and is ideal for most active phone users.

ESI dPhone4

Key Features


Purposefully Designed

ESI phones have been purposefully designed to work with ESI solutions and deliver the best communication experience.

One Touch Features

No crazy codes to remember for basic phone features, ESI has made it one touch simple for call recording, transfer, call park, conferencing, voice mail and do-not-disturb.

Intuitive To Use

Loaded with advanced capabilities yet incredibly intuitive to use with features you use every day, all at your fingertips.

Technical Support

We make it easy to find information on how to use your phone features. With a built-in HELP button, assistance is at your fingertips and backed by a team of support specialists.

Additional Features


  • 4 Inch COLOR Display
  • 36 DESI-less Programmable Keys - Up to 156 with Optional Expansion Console
  • Visual Voicemail
  • Electronic Hook Switch
  • Full Duplex, Hands Free Speakerphone
  • Compatible with ESI IP Server 900 & ESI Communications Servers

Feel free to contact us for more information or to schedule a demonstration.