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Avaya 3720 DECT Telephone - Quick Reference Guide
name/number/last result and press Search. Press Off-
hook key .
Answer/End a call
When the ring signal sounds, press the Off-hook key
to answer.
To end the call, press the On-hook key . 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.