5624 Wireless Handset User Guide
Lock/Unlock the Keypad during a Call
To prevent accidentally pressing keys, you can lock the keys during a call. This can be useful when a headset is used and the handset is attached to a pocket or belt.
Lock the Keypad
1.Press 
.
2.Press "Lock".
Unlock the Keypad
1.Press 
2.Press "Yes".
You can press the volume buttons and the mute button during the call. If the 5624 Personal Alarm license is used, it is also possible to press the alarm button.
Start a New Call during a Conversation
1.Press "More".
2.Select "New Call". The first call will automatically be put on hold.
3.Press "Select".
4.Enter the number, or press 
to access the phonebook.
5.Press 
. or "Call".
Switch Between Calls
To switch between two ongoing calls:
1.Select the call on hold using the Navigation key.
2.Press "Retr.".
The retrieved call is indicated with 
. The call on hold is indicated with 
.
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