Yealink SIP-T19 E2 T4 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series IP Phones
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To reset the phone to factory via phone user interface:
1.
Press
Menu
->
Advanced
(default password: admin) ->
Reset Config
.
2.
Select
Reset to Factory Settings
.
The LCD screen prompts “Reset to factory setting?”.
3.
Press the
OK
soft key.
The LCD screen prompts “Resetting to factory, please wait…”.
The LCD screen prompts “Welcome Initializing…please wait”.
To reset the phone to factory via web user interface:
1.
Click on
Settings
->
Upgrade
.
2.
Click
Reset to factory
to reset the phone.
The web user interface prompts “Do you want to reset to factory?”.
3.
Click
OK
.
After startup, all configurations of the phone will be reset to factory defaults. So the value
of the parameter “static.auto_provision.custom.sync” will be reset to 0. Configurations in
the 001565770984-local.cfg file saved on the IP phone will also be cleared. But
configurations in the 001565770984-local.cfg file stored on the provisioning server
(tftp://192.168.1.211) will not be cleared after reset.
To retrieve personalized settings of the phone after factory reset:
1.
Set the values of the parameters “static.auto_provision.custom.sync” and
“static.auto_provision.custom.protect” to be 1 in the configuration file (y000000000028.cfg