Procedure
Long press the
Sound off
(
) key or the
Mute
button.
The status of the handset changes between ring signals on or off. The
icon indicates a silenced
handset.
Locking and unlocking the keypad
Locking and unlocking the keypad in idle mode
About this task
Use the following procedure to lock the keypad and prevent accidental key presses.
Procedure
Lock the keypad during a call.
1. To lock the keypad, press the
Key lock, and Upper and Lower case
(
) key.
Press and hold this key for a few seconds until the
Lock
soft key appears.
2. Press the
Lock
soft key.
Unlock the keypad during a call.
3. To unlock the keypad, press the
Key lock, and Upper and Lower case
(
) key.
The system displays the message
Unlock?
.
4. Press the
Yes
soft key.
Note:
You can answer an incoming call or press an alarm button when the keypad is locked.
If the WinPDM or Device Manager has an emergency call configured, you can make
an emergency call when the keypad is locked.
Locking and unlocking the keypad during a call
About this task
Use this procedure to lock the keypad during a call and prevent pressing the keys accidentally.
This is useful when a headset is used and the handset is attached to a pocket or a belt.
Locking and unlocking the keypad
August 2019
Using 3735 DECT handsets with Communication Manager and IP Office
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