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.

The Polycom EM50 Expansion Module extends the functionality with multifunctional line keys that can be set up as line registrations, call appearances, speed dials, direct stations and/or busy lamp field keys.

• Only compatible with the Polycom VVX 450
• Full-colour Display
• 30 programmable buttons
• 3 "page" buttons giving up to 90 contacts
• Plug and play set-up
• Powered by the phone
• Supplied with manufacturer's 12 month warranty