This course is and overview of the Polycom Series. The Polycom VVX 300 series phones have a backlit, grayscale, graphical LCD screen, supporting six line appearances. It has high-definition (HD) voice on all audio paths, along with user-friendly navigation options and specific function keys. The Polycom VVX 400 Series phones have a color, graphical LCD screen. This desk phone supports twelve line appearances and high-definition (HD) voice on all audio paths (speaker, handset, headset). The device also has user-friendly navigation options and a number of specific function keys. The Polycom VVX 500 Series and 600 Series phones have a color LCD touch screen interface. This desk phone supports twelve line appearances (VVX 500 series) or sixteen line appearances (VVX 600 series) and high-definition (HD) voice on all audio paths. The device also has a number of function specific keys. This course houses training documents and thirty-nine short video modules, which are topic specific. Please feel free take these modules in the order that best suits your learning.