What does "BLF" stand for in the context of 3CX?

In the context of 3CX, "BLF" stands for Busy Lamp Field. This term refers to a feature used in VoIP telephone systems, which allows users to monitor the status of other users on the network. When someone is on a call, their line will show up as busy, typically indicated by a light or color change on the phone interface. This feature is particularly useful in busy environments where teams need to be aware of each other's availability to facilitate communication efficiently. By utilizing BLF, users can see at a glance who is available for calls and who is occupied, thereby enhancing collaboration and reducing call interruptions.