Yealink T42GLine Key LEDLED Status DescriptionSolid Green The line is seized or the line is in conversationFast Flashing Green The line received an incoming callSlow Flashing Green The call is placed on holdOff The line is inactive.LED Status DescriptionSolid Red The monitored user is busyFast Flashing Red The monitored user received an incoming callOff The monitored user is idle or the monitored use does not exist.LED Status DescriptionSolid Red There is a parked call on the line key of the non-current pageSolid Green There is a call on the line key of the non-current page.Fast Flashing Green The line receives an incoming call on the non-current page.Fast Flashing Red The monitored user receives an incoming call on the non-current page.Off Line keys on every page are idle.Line Key LED [configured as BLF key]Line Key LED [used as page switch key]Power Indication LED on your YealinkPower Indicator LEDLED Status DescriptionSolid Red The phone is initializingFast Flashing Red The phone is ringingSlow Flashing Red The phone receives a voice mailOff The phone is powered off, powered on or idle.Poplar House, Park West, Chester, CH1 4RNT: 033 000 22 000 F: 033 000 22 039 W: www.pescado.co.uk