Yealink SIP-T2xP Auto Provisioning Manual page 223

Parameter
features.custom_factory_config.enable =
configuration.url =
custom_mac_cfg.url =
account.X.out_dialog_blf_enable =
(SIP-T19P: X=1
SIP-T21P/T20P: X ranges from 1 to 2.
SIP-T26P/T22P/T42G/T41P: X ranges from 1 to 3.
SIP-T28P/T48G/T46G: X ranges from 1 to 6.
Not applicable to CP860 IP phones)
Permitted Values
The default value is blank.
It takes effect after a reboot.
It enables or disables Import Factory
Configuration feature.
0-Disabled
0 or 1
1-Enabled
The default value is 0.
It configures the access URL for the custom
configuration files.
URL within 511
characters The default value is blank.
It takes effect after a reboot.
It configures the access URL of the custom
URL within 511
MAC-Oriented CFG file.
characters
The default value is blank.
It enables or disables the phone to handle
NOTIFY messages out of the BLF dialog for
account X.
0 or 1
0-Disabled
1-Enabled
The default value is 0.
Descriptions
Settings-> Configuration-> Export or
Import Configuration
Appendix
Web Setting Path
213