Basic Operation
Avaya 3720 DECT Telephone - User Guide 11/2010 35
Unlock keypad
1. Press the * key.
2. Press Soft key Yes.
Note:
Note: It is possible to make an emergency call and to answer/close an incoming call
while the keypad is locked.

Lock/Unlock the Keypad during a call

To prevent accidentally pressing keys, the keys can be locked during a call. This can be useful
when a headset is used and the handset is attached to a pocket or belt.
Lock Keypad
1. Longpress the * key.
2. Press the Soft key Lock.
Unlock Keypad
1. Press the * key.
2. Press the Soft key Yes.
Lock/Unlock the Telephone
The telephone can be protected for unauthorized use. If this function is activated it locks
automatically a short time after the last keystroke or when placed in the charger. A PIN code is
required for unlocking the telephone. For more information see Phone Lock settings on
page 51.
Unlocking the telephone
The phone shows the text Turn off phone lock?
1. Press Soft key Yes.
2. Enter PIN code
3. Press Soft key OK.