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.

Product Details


  • Additional line registrations
  • Shared call appearance, bridged line appearance (key system emulation)
  • Call transfer
  • Busy lamp field
  • Speed dial
  • Fully programmable line appearances
  • Multilingual user interface (driven from host phone) encompassing Chinese, Danish, Dutch, English, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovenian, Spanish and Swedish
  • Skype for Business presence
  • 5.0in LCD WVGA (480x800 pixel) resolution
  • Color TFT graphical user interface
  • 30 multifunctional line keys configurable as line registration, call appearance, speed dial, DSS or BLF
  • Dual-color (red or green) illuminated LEDs for line status information
  • 3-page keys for additional line appearance
  • Wall Mountable with optional wall mount bracket (2200-48893-001)


  • VVX 450
  • VVX 450 OBI Edition


  • VVX EM50 console
  • Desk stand
  • Interconnection bracket and screws
  • Setup sheet