Merlin SP-34D 3162-DSB

10 buttons with LED indicators for line appearances, intercom, and programmable features
24 Buttons without LED indicators for Speed Dialing and other features not requiring lights
4 fixed feature buttons with LED indicators: Message, Speakerphone, Handsfree Answer on Intercom, Microphone
Fixed feature buttons for Conference, Drop, Transfer, Hold and Recall
Alphanumeric Display