- 34 call appearance/feature buttons
- 2-line, 40 character display
- 5 soft keys activate 15 different functions
- 2-way programmable speakerphone
- Conference, transfer, drop, and hold built-in
The 8434DX is compatible with the Definity system and requires an auxiliary 1151xx power supply. It requires an available station port on a TN754/B/C, TN2181, or TN2224/B/CP digital station circuit pack.