Turn loudspeaking function on/off, Charge the battery

name/number/last result and press Search. Press Off-

hook key .

Answer/End a call

When the ring signal sounds, press the Off-hookkey to answer.

To end the call, press the On-hookkey . The total call time is shown in the display.

Turn loudspeaking function on/off

During a call, press the left Soft key to turn the loudspeaking function on/off.

Turn audio signals on/off

In stand-by mode a long press on the Sound off key

changes between audio signals on/off. The Sound off icon indicates a completely silenced telephone.

•A short press on the Sound off key before answering a call, silences the ring signal.

Lock/Unlock the keypad manually

Press the *-key to lock/unlock and then Soft key Lock/

Yes. The Locked keypad icon indicates a locked keypad.

Change the volume during a call

Use the Navigation key to adjust the volume.

Charge the battery

Charging is done in a desktop charger or in a charging rack. Charging is indicated by orange LED. When the battery is fully charged the LED is green and a fully charged Battery

icon is displayed.

Avaya 3720 DECT Telephone - Quick Reference Guide