Polycom VVX EM50 Expansion Module

The Polycom VVX EM50 Expansion Module extends the functionality of your Polycom VVX 450 business IP phone with multifunctional line keys that can be set up as line registrations, call appearances, speed dials, direct stations, and/or busy lamp field keys. The VVX EM50 Expansion Module seamlessly matches the look and feel of your 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.