Yealink SIP-T54S Administrator's Manual page 176

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
Method of checking for configuration files is configurable.
Procedure
Configuration changes can be performed using the following methods.
Central
Provisioning
(Configuration
File)
Web User Interface
150
Configure the way for the IP phone to check
for configuration files.
Parameters:
static.auto_provision.power_on
static.auto_provision.repeat.enable
static.auto_provision.repeat.minutes
static.auto_provision.weekly.enable
static.auto_provision.weekly_upgrade_interval
static.auto_provision.inactivity_time_expire
<y0000000000xx>.cf
static.auto_provision.weekly.begin_time
g
static.auto_provision.weekly.end_time
static.auto_provision.weekly.dayofweek
static.auto_provision.flexible.enable
static.auto_provision.flexible.interval
static.auto_provision.flexible.begin_time
static.auto_provision.flexible.end_time
Specify the access URL of firmware.
Parameter:
static.firmware.url
Configure the way for the IP phone to check
for configuration files.
Navigate to:
http://<phoneIPAddress>/servlet?p=settings-
autop&q=load
Upgrade firmware.
Navigate to:
http://<phoneIPAddress>/servlet?p=settings-
upgrade&q=load