Advanced Features113Set a BLF key to monitor the state of specific remote line.An idle screen is similar to the one shown below:The following table shows the LED/icon indicator associated with the line you are monitoring.LED Status Icons DescriptionT48S/T48G T46S/T46GSolid green Monitored line is idle.Fast-flashingred(Flashing)Monitored line is ringing.(Flashing)Monitored line is dialing.Solid red Monitored line is busy or in a call.Slow-flash-ing redMonitored line places a call on hold.A call is parked to the monitored line.Off Monitored line fails to register or does not exist.Audio Alert for Monitored LinesYour system administrator can enable Audio Alert for BLF Pickup feature, which allows your phone to play a specifiedtone when the monitored line receives an incoming call.TopicsSetting an Alert Tone for Monitored LinesSetting an Alert Tone for Monitored LinesAfter your system administrator enables the Audio Alert for BLF Pickup feature, you can set the phone to play an alerttone when a monitored line rings.Procedure1. Navigate to Menu->Basic->Sound->BLF Ring Type.