Yealink SIP-T54S Administrator's Manual page 321

Parameters
None
custom_softkey_dialing.url
Description:
Configures the access URL of the custom file for the soft key presented on the LCD screen
when in the Dialing state.
Example:
custom_softkey_dialing.url = http://192.168.1.20/XMLfiles/Dialing.xml
During the auto provisioning process, the IP phone connects to the provisioning server
"192.168.1.20", and downloads the Dialing state file from the "XMLfiles" directory.
Note: It is not applicable to SIP-T48G/S IP phones.
Web User Interface:
None
Phone User Interface:
None
custom_softkey_ring_back.url
Description:
Configures the access URL of the custom file for the soft key presented on the LCD screen
when in the RingBack state.
Example:
custom_softkey_ring_back.url = http://192.168.1.20/XMLfiles/RingBack.xml
During the auto provisioning process, the IP phone connects to the provisioning server
"192.168.1.20", and downloads the RingBack state file from the "XMLfiles" directory.
Web User Interface:
None
Phone User Interface:
None
custom_softkey_talking.url
Description:
Configures the access URL of the custom file for the soft key presented on the LCD screen
when in the Talking state.
Example:
custom_softkey_talking.url = http://192.168.1.20/XMLfiles/Talking.xml
Configuring Basic Features
Permitted Values
URL within 511 characters
URL within 511 characters
URL within 511 characters
Default
Blank
Blank
Blank
295