The Dterm Series III 24 button model offers 24 flexible line keys, the capability of a two-way speaker phone, and 12 speed dials. Programmable Keys 4. Speed Dial Buttons 5. Adjusts handset receiver volume. Deactivates speaker phone.
Turns call indicator lamp on or off for incoming call notification.
LED on key lights when key is active. HOLD Press key to place an internal or external call on hold. Press key to activate Last Number Call redial and Speed Calling. LED on key lights when key is active. Allows the station user to transfer established calls to another station, without attendant assistance.