Yealink SIP-T48G Administrator's Manual page 78

Administrator's Guide for SIP-T2 Series/T19(P) E2/T4 Series/CP860 IP Phones
The web user interface prompts "Are you sure to reset the local configuration".
3. Click OK.
Configurations in the 001565770984-local.cfg file saved on the phone will be cleared.
If the IP phone is triggered to perform auto provisioning after resetting local
configuration file, it will download the configuration files from the provisioning
server and update the configurations to the phone system. As there is no
configuration in the 001565770984-local.cfg file, configurations in the
y000000000044.cfg/001565770984.cfg file will take effect.
The IP phone requires factory reset when it has a breakdown, but the user wishes to
keep personalized settings of the phone after factory reset.
Scenario Conditions:
SIP-T23G IP phone MAC: 001565770984

Provisioning server URL: tftp://192.168.1.211

auto_provision.custom.sync = 1

auto_provision.custom.protect = 1

Note
As the parameter "auto_provision.custom.sync" was set to 1, the 001565770984-local.cfg
file on the IP phone will be uploaded to the provisioning server at tftp://192.168.1.211.
Scenario Operations:
You can keep the personalized settings of the phone after factory reset via phone or
web user interface.
To reset the phone to factory via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin).
2. Select Reset to Factory.
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