The LEDs located on the top of the phone indicate the current status.
  1. Green – Your call is in progress.

  2. Flashing green - There is an incoming call.

  3. Blinking green – Your call is held by the other party.

  4. Red – Your call is muted.
  5. Flashing red – You have voice mail.

  6. Blinking red – You have placed the call on hold.