Grandstream Networks GXV3275 Administration Manual page 103

RJ9 Headset RX Gain (dB)
3.5mm Earphone TX Gain
(dB)
3.5mm Earphone RX Gain
(dB)
Headset Type
Headset Key Mode
Firmware Version 1.0.3.46

+24
The default setting is 0dB.
It is used to set the Receive Gain in RJ9 headset channel. It can be
selected from the dropdown list:

0

-6

+6
The default setting is 0dB.
It is used to set the Transmission Gain in 3.5mm earphone headset
channel. It can be selected from the dropdown list:

0

-6

+6
The default setting is 0dB.
It is used to set the Receive Gain in 3.5mm earphone headset channel.
It can be selected from the dropdown list:

0

-6

+6
The default setting is 0dB.
It is used to set which type of head set is connected to the phone
system. It can be selected from the dropdown list:

Normal Headset

Plantronics EHS
If a normal RJ11 headset is connected, it should set to "Normal
Headset". If a Plantronics EHS headset or Jabra EHS headset is used,
it should set to "Plantronics EHS".
When headset is connected to the phone, users could use the
HEADSET button in two different modes:
1. Default Mode

When the phone is in idle, press HEADSET button to offhook
the phone and make calls by using headset. Headset icon will
display on the top of the call screen in dialing/talking status;

When there is an incoming call, press HEADSET button to pick
the call by using headset;

When there is an active call using headset, press HEADSET
button to hang up the call;
GXV3275 Administration Guide Page 101 of 117