The following figure illustrates the features, components, and keys available on the VVX Color Expansion 
Modules. The table lists each numbered feature shown in this figure.
VVX Color Expansion Module features
VVX Color Expansion Module Hardware Feature Descriptions
Reference 
Number
Feature Feature Description
1 Line Key Selects available line key contacts, functions, and assignments.
2 LED Indicators Indicates a line or busy lamp field contact's status. The following lists the LED 
Indicator behaviors shown on the expansion modules:
• Solid Green Indicates an active call in progress.
• Fast-Flashing Green Indicates an incoming call.
• Flashing Green Indicates the remote party placed the call on hold.
• Solid Red Indicates the phone of a monitored busy lamp field contact is 
placing a call or is in a call.
• Flashing Red Indicates a held call.
• Flashing Green and Red Indicates the phone of a monitored busy lamp field 
contact is on an active call or is receiving an incoming call.
3 Page Keys Navigates between pages on the expansion module.
4 Base Stand Hooks into the back of the expansion module to stand up the display.
Phone Accessories and Computer Applications
Polycom, Inc. 131