VVX EM50 Expansion Module

The Polycom EM50 Expansion Module is easy to install and designed exclusively for the Polycom VVX 450 business IP phone. It’s an optimal solution for telephone attendants, receptionists, administrative staff and other power users who manage multiple workflows or simultaneous calls on a daily basis. Specifications: * 5.0” color backlit display * 30 line keys * 3 soft keys (pages) * 1 USB port (side) * Up to 2 modules can be attached together via USB