Yealink SIP-T2 SERIES Administrator's Manual page 591

Parameters
features.auto_linekeys.enable
Description:
Enables or disables the DSS keys to be assigned with Line type automatically.
0-Disabled
1-Enabled
Note: The number of the DSS keys is determined by the value of the parameter
―account.X.number_of_linekey‖. It is not applicable to SIP-T19(P) E2 and CP860 IP
phones.
Web User Interface:
Features->General Information->Auto Linekeys
Phone User Interface:
None
Private Hold Soft Key
Configuring the private hold soft key may affect the softkey layout in the Talking state.
For more information, refer to
Details of Configuration Parameters:
Parameters
phone_setting.custom_softkey_enable
Description:
Enables or disables custom soft keys layout feature.
0-Disabled
1-Enabled
Web User Interface:
Settings->Softkey Layout->Custom Softkey
Phone User Interface:
None
custom_softkey_talking.url
Permitted Values
0 or 1
Softkey Layout on page 224.
URL within 511 characters
Configuring Advanced Features
Default
0
Permitted Values
0 or 1
Default
0
Blank
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