1-1
1. BASIC OPERATION
1.1 Communication Unit and IP Handset Overview
1.1.1 Communication Unit
1.1.2 IP Handset
No. Key Function
1
• Opens the [Volume] screen.
• Softkey (Lower left menu item button)
2
• Opens the [Contacts] list/call history.
• Softkey (Lower right menu item button)
3
S • Moves the cursor up.
• Increases the volume.
• On main screen: increase the brilliance.
Note: On screens other than the main screen, hold the 0 key and press S
to increase the brilliance.
SIM card slot Power switch
Speaker
Screen
Microphone
1
11
10
9
6
5
3
8
7
4
2
Enter
12