Polycom VVX Business Media Phones User Guide
Polycom, Inc.  22
   
8 Hold key Holds an active call or resumes a held call.
9 Microphone Transmits audio to other phones.
10  Volume keys Adjust the volume of the handset, headset, speaker, and ringer.
11 Mute key Mutes local audio during calls and conferences. The key glows red when 
activated.
12 Speakerphone 
key
Enables you to place and receive calls using the speakerphone. The key glows 
green when activated.
13 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.
14 Navigation 
key/ Select key
Scrolls through information or options displayed on the phone’s screen. Selects a 
field of displayed data.
15 Home key Displays the Home screen from other screens, and displays the Lines and Calls 
screen from the Home screen.
16 Line keys Enable you to select a phone line, view calls on a line, or quickly call a favorite 
contact.
17 Screen Shows a 2.2-inch diagonal screen with a backlight that enables you to view 
menus and data.
18 Message 
Waiting 
Indicator
Flashes red to indicate when you have new messages.
VVX 300 and 310 Hardware Feature Descriptions