Yealink CP969 Administrator's Manual page 519

Details of Configuration Parameters:
Parameters
phone_setting.custom_softkey_enable
Description:
Enables or disables custom soft keys layout feature.
0-Disabled
1-Enabled
Note: It is not applicable to CP960 IP phones.
Web User Interface:
Settings->Softkey Layout->Custom Softkey
Phone User Interface:
None
custom_softkey_talking.url
Description:
Configures the access URL of the custom file for the soft key presented on the touch screen
when in the Talking state.
Example:
custom_softkey_talking.url = http://192.168.1.20/XMLfiles/Talking.xml
During the auto provisioning process, the IP phone connects to the provisioning server
"192.168.1.20", and downloads the Talking state file from the "XMLfiles" directory.
Note: It is not applicable to CP960 IP phones.
Web User Interface:
None
Phone User Interface:
None
Private Hold Key
For more information on how to configure the DSS Key, refer to
Key on page 775.
Configuring Advanced Features
Permitted Values
0 or 1
URL within 511
characters
Appendix D: Configuring DSS
Default
0
Blank
497