Grandstream Networks GXP1628 Configuration Guide

GXP1620/1625/1628 BLF Configuration Guide
Page 13 of 14
Figure 10: Add Extension Value on Line Keys
7. Go to the bottom of the page, and click on “Save and Apply”.
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:

Grandstream Networks GXP1628 Specifications

General

Brand	Grandstream Networks
Model	GXP1628
Category	IP Phone
Language	English