Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
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http://<phoneIPAddress>/servl
et?p=features-general&q=load
Details of the Configuration Parameter:
Parameter
Permitted Values
Default
features.headset_prior
0 or 1
0
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 0 (Disabled), the headset mode can be deactivated by pressing the
Speakerphone key or the HEADSET key except off-hook.
If it is set to 1 (Enabled), the headset mode will not be deactivated until the user presses
the HEADSET key again.
Note: It works only if the value of the parameter “features.headset_mode.enable” is set to
1 (Enabled). It is not applicable to CP860/CP920 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.