Grandstream GXP21xx Series User Manual - Manual (Page 62)

FIRMWARE VERSION 1.0.8.4 GXP2120/GXP2110/GXP2100/GXP14xx USER MANUAL Page 60 of 85
System Ring Tone
Dial Tone
Second Dial Tone
Message Waiting
Ring Back Tone
Call-Waiting Tone
Busy Tone
Reorder Tone telecom. The default value is North American standard. Frequencies
should be configured with known values to avoid uncomfortable high
pitch sounds.
Syntax : f1=val,f2=val[,c=on1/off1[-on2/off2[-on3/off3]]];
(Frequencies are in Hz and cadence on and off are in 10ms)
ON is the period of ringing (“On time” in ‘ms’) while OFF is the period of
silence. In order to set a continuous ring, OFF should be zero. Otherwise
it will ring ON ms and a pause of OFF ms and then repeat the pattern. Up
to three cadences are supported.
Call Waiting Tone Gain
Configures the call waiting tone gain to adjust call waiting tone volume.
The default setting is "Low".
Settings -> Audio Control
Headset Key Mode
When headset is connected to the phone, users could use the HEADSET
button in "Default Mode" or "Toggle Headset/Speaker".
 Default Mode:

When the phone is in idle, press HEADSET button to off hook
the phone and make calls by using headset. Headset icon will
display on the screen in dialing/talking status.
 When there is an incoming call, press HEADSET button to pick
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.
Always Ring Speaker
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