Yealink SIP-T2xP Auto Provisioning Manual page 107

Parameter
auto_provision.repeat.minutes =
auto_provision.dhcp_option.enable =
auto_provision.dhcp_option.list_user_options =
auto_provision.server.url =
Permitted Values
The default value is 0.
It configures the interval (in minutes) for the
phone to check new configuration
repeatedly.
Integer from 1 to The default value is 1440.
43200
Note: The old parameter
"auto_provision.schedule.periodic_minute"
is also applicable to SIP-T28P/T26P/T22P/T20P
IP phones.
It enables or disables the phone to obtain
the provisioning server address by
detecting DHCP options.
0 or 1
0-Disabled
1-Enabled
The default value is 1.
It configures the custom DHCP option for
Integer from
provisioning server address.
128 to 254
The default value is blank.
URL within 511 It configures the access URL of configuration
characters files.
Descriptions
Settings->Auto provision->Interval
(minutes)
Settings->Auto Provision->DHCP
Active
Settings->Auto Provision->Custom
Option (128~254)
Settings->Auto Provision->Server URL
Appendix
Web Setting Path
97