User guide

Appendix
293
Parameter
Permitted
Values
Descriptions
Web Setting Path
Note: The certificate you want to upload must
be in *.pem or *.cer format.
For more information, refer to Yealink IP
Phones Administrator Guide.
server_certificates.delete
URL within 511
characters
It deletes all uploaded server certificates.
The valid value is: http://localhost/all
The default value is blank.
For more information, refer to Yealink IP
Phones Administrator Guide.
phone_setting.reserve_certs_enable
0 or 1
It enables or disables the IP phone to reserve
custom certificates after it is reset to factory
defaults.
0-Disabled
1-Enabled
The default value is 0.
local_contact.data.url
URL within 511
characters
It configures the access URL of the local
contact file.
Example:
local_contact.data.url =
http://192.168.10.25/contact.xml
Directory->Local Directory->Import
Local Directory File