5604 Wireless Handset User Guide
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. Press
2. Press "Lock".
Unlock keypad
1. Press
2. Press "Yes".
It is possible to press the volume buttons and the mute button during the call. If the 5604
Personal Alarm license is used, it is also possible to press the alarm button.
Start a New Call during Conversation
1. Press the soft key "More" during the call.
2. Select "New Call"
3. Press "Select".
4. Enter number, or press
5. Press
.
20
.
2
.
to access the phonebook.