![](/images/new-backgrounds/1309131/30913137x1.webp)
Welcome
This section describes the controls on your IP Deskphone. Your IP Deskphone can have fixed keys with icons or with labels. This document presents both versions of the fixed key.
The keys on either side of the LCD display area are
You can define these keys for specific functions, such as Call Forward.
Note: The key on the lower right is reserved as your default line key.
Use the Volume control buttons to adjust the volume of the ringer, handset, headset, speaker, and the Handsfree feature. Press the top button to increase the volume, and press the bottom button to decrease the volume.
Press the Mute key to listen to the call without transmitting. Press the Mute key again to return to
Note: When you enable mute, a red LED on the Mute key remains lit.
19