To ensure optimal performance and service, systems should meet minimum requirements including an Intel Core 2 Duo or equivalent processor, 2GB of RAM, 200MB of hard disk space, Windows Vista or newer, Mac OS X 10.8 or newer, an IP network connection, a full-duplex sound card, and support for Google Chrome version 24 or newer, Polycom desk phones, or Corvisa softphones. Supported mobile devices include iPhone 4 or newer running iOS 7.1.2 or newer.