4 
Reference  Feature  Feature Description 
Number 
1  Reversible tab  Secures the handset in the cradle when your phone stand is positioned at a 
high angle. To secure the handset, remove the tab, reverse it so the 
protrusion points up, and re-insert it. Position the handset so the protrusion 
on the tab fits into the slot on the handset. 
2  Speaker  Provides ringer and speakerphone audio output. 
3  Dialpad keys  Enable you to enter numbers, letters, and special characters. You can also 
use the dialpad keys to select menu items that have index numbers. 
4  Security slot (on  Enables you to attach a universal security cable lock to your phone so you 
side)  can secure it to a desktop. 
5  Microphone  Transmits audio to other phones. 
6  Volume keys  Adjust the volume of the handset, headset, speaker, and ringer. 
7  Mute key  Mutes local audio during calls and conferences. The key glows red when 
activated. 
8  Speakerphone key  Enables you to place and receive calls using the speakerphone. The key 
glows green when activated. 
9  Headset key  Enables you to place and receive calls through a headset. The key glows 
green when an analog headset is activated, and blue when a USB or 
Bluetooth headset is activated. 
10  Touchscreen  Enables you to select items and navigate menus on the touch-sensitive 
screen. Tap the screen to select and highlight screen items. To scroll, touch 
the screen, and swipe your finger up, down, right, or left. 
11  Home key  Displays the Home screen from other screens, and displays the Lines and 
Calls screens from the Home screen. 
12  Message Waiting  Flashes red to indicate when you have new messages. 
Indicator 
13  USB port  Enables you to attach a USB flash drive, a USB headset, or a VVX Camera. 
 
VVX 500 Series and 600 Series Hardware Feature Descriptions