Polycom VVX Expansion Module
Quick-Use Guide
Navigation
The VVX Expansion Module features 40 multifunctional line keys that are 
congurable as line registration, call appearance, speed dial, DSS, or BLF. The 
hardware utilizes dual-color (red or green) illuminated LEDs for line status 
information. 
Compatibility
This expansion is compatible with the following Polycom VVX business phones:
•  Polycom VVX 300/310
•  Polycom VVX 400/410
•  Polycom VVX 500
•  Polycom VVX 600
Setting up the Expansion Module
Setting up the hardware is simple. As a plug-and-play device, the equipment does not 
require separate set-up – power and signaling are provided by the host VVX business 
media phone.