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Figure 8: Add VPK
VISUAL INDICATORS
The phone system is able to notify the end user the hook status of the monitored extension by changing
the LED colors.
For example, if the monitored extension is ringing, the BLF indicator status will be changed from solid
green to blinking red; and if the monitored extension answers the call, the BLF indicator status will be
changed from blinking red to solid red.
The following table shows the BLF indicator status in different scenarios:
Table 2: The BLF Indicators Status in Different Scenarios