The Polycom® VVX® Expansion Modules are consoles you can connect to Polycom VVX Business Media phones to add additional lines. VVX Expansion Modules enable you to handle large call volumes on a daily basis and expand the functions of your phone. You can accept, screen, dispatch, and monitor calls with VVX Expansion Modules and reduce the number of lost customer calls, shorten transaction times, and increase the accuracy of call routing. Polycom VVX Expansion Modules are available for the following Polycom VVX business media phones running UC software 4.1.6, 4.1.7, and 5.1.x or later: ● VVX 300, 310, 400, and 410 business media phones ● VVX 500 and 600 business media phones

VVX Expansion Modules VVX Expansion Modules provide you with 40 line keys that you can set up as registrations, favorites, or busy lamp field contacts. You can connect up to three expansion modules to your phone to support an additional 120 line keys per phone.