Poly com VVX EM50 Expansion Module, Black (85X07AA)

The EM50 Expansion Module is easy to install and designed exclusively for the 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. The EM50 Expansion Module extends the functionality of your 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