Polycom Expansion Modules

Polycom VVX business media phones support Polycom VVX Expansion Modules, and VVX 450 business IP phones support the Polycom VVX 50 EM expansion module. You can connect expansion modules to the phones to have up to 250 lines depending on the phone and expansion module model.

Polycom expansion modules enable users to perform the following tasks:
  • Handle large call volumes on a daily basis
  • Expand the functions of their phone
  • Accept, screen, dispatch, and monitor calls
  • Reduce the number of lost customer calls
  • Shorten transaction times
  • Increase the accuracy of call routing

The following table matches the VVX phone model with its supported expansion model.

Table 1. Phones Supported with Polycom Expansion Modules
Supported Phone Model Expansion Module Model

VVX 450 business IP phones

Polycom VVX EM 50 expansion module

VVX 300/301/310/311 business media phones

VVX 400/401/410/411 business media phones

VVX 500/501 business media phones

VVX 600/601 business media phones

Polycom VVX Expansion Module - Paper display

VVX 300/301/310/311 business media phones

VVX 400/401/410/411 business media phones

VVX 500/501 business media phones

VVX 600/601 business media phones

Polycom VVX Expansion Module - Color LCD display