Avaya Definity 7410+ Black Digital Voice Terminal Telephone 3186-PLS. The 7410+ D02 has 10 Call Appearance buttons - 2 with LEDs, 7 fixed feature buttons for Conference, Drop, Transfer, Hold, and more; 1-way speaker; message waiting indicator. Also features adjunct jack for headset or speakerphone. Compatible with S201A speakerphone. System requirements: Definity ECS family: System 75, G1 or G3 with TN754 B/C 4-wire/8-port digital line card.

Avaya Model Number: 7410+
Avaya Part Number: 3186-PLS