Grandstream Networks GXP21 Series User Manual page 26

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Handset Volume Up
Image not found or type unknown
Call screen icon. Handset volume is increasing
Handset Volume Down
Image not found or type unknown
Call screen icon. Handset volume is decreasing
Ringtone Volume Down
Image not found or type unknown
Call screen icon. The volume of ringtone is decreasing
Ringtone Volume Up
Image not found or type unknown
Call screen icon. The volume of ringtone is increasing
VOC status
Call screen icon.
Image not found or type unknown
OFF – VOC is off.
ON – VOC is on.
Table 12: GXP2130/GXP2140/GXP2160/GXP2170/GXP2135 LCD Icons
Error Message Indicator
When user changes configuration settings on LCD and the configuration cannot be applied for any
reason, LCD screen will pop up a window displaying an error message with information explaining why
the configuration couldn't be saved.
http://192.168.6.130/export/screen/20170906-123256.png
Image not found or type unknown
Figure 7: Error message Example
Note: Possible error types could be Security, Privilege, PValue Validation, etc
Using the Keypad
Page 26
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