Akuvox
SP-R55P/G
Functions
34
2) If set success, the lock icon will be displayed on the left screen.
3) Anyone need to enter the password to unlock the keypad. If the password is
incorrect, it will pop up a prompt box “Wrong PIN!”
3.21. Busy Lamp Field
Busy Lamp Field (BLF) is used to monitor a specific user for status changes on IP
phones. For example, you can configure a BLF key on a supervisor’s phone to monitor
the phone user status (busy or idle). When the monitored user receives a call, a busy
indicator on the supervisor’s phone indicates that the user’s phone is in using.
SP-R55P/G phone support line key be configured as BLF key. The line key BLF LED
status description shown as below.
LED Status
Description
Solid green
The monitored user is idle.
Fast flashing green
The monitored user receives an incoming call.