Yealink SIP-T48G Administrator's Manual page 701

Details of the Configuration Parameter:
Parameter
features.headset_prior
Description:
Enables or disables headset prior feature. You need to press the HEADSET key to
activate the headset mode in advance.
0-Disabled
1-Enabled
If it is set to 1 (Enabled), the headset mode will not be deactivated until the user
presses the HEADSET key again.
If it is set to 0 (Disabled), the headset mode can be deactivated by pressing the
speakerphone key or the HEADSET key except the HANDSET key.
Note: It is not applicable to CP860 IP phones.
Web User Interface:
Features->General Information->Headset Prior
Phone User Interface:
None
To configure headset prior via web user interface:
1. Click on Features->General Information.
2. Select the desired value from the pull-down list of Headset Prior.
3. Click Confirm to accept the change.
Permitted Values
0 or 1
Configuring Audio Features
Default
0
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