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  • The Polycom expansion module will turn your Polycom VVX 310 IP Phone into a high-performance attendant console.
  • Line buttons:
    • Selects available line contacts, functions, and assignments.
  • LED indicators:
    Indicates line status.
    LED indicators are as follows:
    • Solid green: Active call
    • Fast-flashing green: Incoming call
    • Flashing green: Call placed on hold by remote party
    • Solid red: Off-hook, placing a call or in a call
    • Flashing red: Call on hold
  • Base stand:
    • Hooks into the back of the expansion module to make the display stand up.