ESI 5000-0117 IVX DP1 16-Button Display Phone (Refurbished) Business Phones Ringing pitch and ringing volume

Ringing pitch and ringing volume control

17 Programmable Buttons

Alphanumeric directory search

DID Lines (IX-4DITK)

Monitor Key

ESI 5000-0117 IVX DP1 16-Button Display Phone (Refurbished) Business Phones Ringing pitch and ringing volumeKey Features: ESI DP1 16 Button Display Phone Charcoal Speakerphone with an LCD Display 16 programmable keys Voicemail Message Waiting and Record buttons Fixed keys for Park, Hold, Mute, DND (Do Not Disturb), Conference, Transfer, Redial, Flash, Release and Programming The DP1 telephone keyset works on the IVX 20, IVX 20 Plus, IVX 128 and IVX 128 Plus systems. It is the only phone that works on these systems (and the DP1 is not compatible with any of