Yealink T4xG Series phones – Advanced Options 1. BLF Notifications: It has been requested on a few occasions, regarding how to de- activate certain notifications that may/do appear after BLF (Busy Lamp Field), has been enabled on the phone. Most notably are the following two: a. Visual Alert for BLF Pickup b. Audio Alert for BLF Pickup i. These options can be disabled from the WebUI of the phone. Figure 1 2. BLF Indicator Lights: a. Green = Idle b. Red flashing = Call is being presented to the phone, i.e Ringing. c. Red solid = Active call has been answered. i. If the BLF/Line key lights are not responding in this manner, ensure your configuration matches the Figure 2.2