Avaya 8410D - digital phone

The Avaya 8410D terminal is a multi-appearance digital display telephone that will work in either 2-wire or 4-wire environments. The Avaya 8410D is equipped with 10 call appearance/feature buttons, four standard fixed feature buttons, a mute button, a speaker button which can access either a 2-way speakerphone or a 1-way, listen-only speaker, a test button, a volume control button, and 12 feature softkeys.