Keys and Buttons
Off-hook Key
This key is used for connecting calls. This key can be programmed in the PDM/AIWS, it is by default set as
On-hook, and On/Off Key
This key is used for disconnecting calls and returning to main screen. A long press on the key in idle mode will switch the telephone on/off.
Navigation Key
Use this key to step in the menu. 
are used for stepping left/ right, and 
up/down in the menu. It is also used to change time/date figures.
Sound Off Key
This key is to silence or mute the telephone:
●While in a call a press on the button will mute the microphone.
●When the telephone is ringing a short press switches off the ringing tone temporarily.
●In idle mode a long press will silence the telephone..
Key Lock and Upper/Lower Case Key
A press on the key and the Soft key Lock in idle mode will lock or unlock the keypad.
24 Avaya 3720 DECT Telephone - User Guide | 02/2009 |
