Messaging

Turn audio signals on/off

In idle 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

Press the Volume button upwards to increase the volume, downwards to decrease the volume. Or, 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.

While in a desktop charger the telephone is fully operational. The telephone does not vibrate in charger.

The battery can also be charged in a separate battery pack charger.

Note: Charging below 5°C will harm the battery and shorten the lifetime.

Remove the battery

It is recommended to switch off the telephone before removing the battery.

Receive a text message

When a text message is received, the LED starts flashing and a message tone sounds. A pop-up New message(s):1 View now? is displayed and the Soft keys Yes/No to read

Avaya 3725 DECT Telephone - Quick Reference Guide