Grandstream Networks GXP2124 User Manual page 50

Headset Type
Always Ring Speaker
Headset TX gain
Headset RX gain
Handset TX gain
Settings -> LCD Display
Backlight Brightness: Active
Backlight Brightness: Idle
LCD Contrast
Disable Missed Call Backlight
Settings -> Date and Time
NTP Server
FIRMWARE VERSION 1.0.5.24
up the call using headset.
 When there is an active call using headset, press HEADSET
button to hang up the call.
 When Speaker/Handset is being used in dialing/talking status,
press HEADSET button to switch to headset. Press it again to
hang up the call. Or press speaker/Handset to switch back to the
previous mode.

Toggle Headst/Speaker:
 When the phone is in idle, press HEADSET button to switch to
Headset mode. The headset icon will display on the left side of
the screen. In this mode, if pressing Speaker button or Line key
to off hook the phone, headset will be used.
 When there is an active call, press HEADSET button to toggle
between Headset and Speaker.
Selects headset type from Normal RJ9 headset or Plantronics EHS
headset. The default setting is "Normal".
Configures to enable or disable the speaker to ring when headset is used
on "Toggle Headset/Speaker" mode. If set to "Yes", when the phone is in
Headset "Toggle Headset/Speaker" mode, both headset and speaker will
ring on incoming call. The default setting is "No".
Configures the transmission gain of the headset. The default value is
0dB.
Configures the receiving gain of the headset. The default value is 0dB.
Configures the transmission gain of the handset. The default value is 0
dB.
Configures the LCD backlight brightness level (from 0 to 8) for phone's
active status. The default value is 6.
Configures the LCD backlight brightness level (from 0 to 8) for phone's
idle status. The default value is 2.
Configures the LCD contrast level (from 0 to 20). The default value is 10.
When it's set to "Yes", the LCD backlight will not be turned on when there
is a new missed call. The default setting is "No".
Defines the URL or IP address of the NTP server. The phone may obtain
the date and time from the server.
GXP2124 USER MANUAL Page 50 of 71