User Guide for Yealink VC110 Video Conferencing Endpoint18Icons appearing on the VCP40 LCD screen are described in the following table:Icon Description(Flashing) Network is unavailableSIP account is registered (the icon flasheswhen the SIP account is not registeredsuccessfully)H.323 account is registered (the icon flasheswhen the H.323 account is not registeredsuccessfully)Auto answerDo not disturbCall is mutedVolume is 0A USB flash drive is inserted to the port ofthe VC110 all-in-one unitRecord a videoLocal contactConference callReceived callsDialed callsMissed callsIndicator LED on the VC110 all-in-one unit:LED Status DescriptionSolid green The VC110 is powered on.Solid red The VC110 is in sleep mode.Solid orange The VC110 is abnormal (e.g., network unavailable,update failure).Flashing green Press the key on the remote control.