Yealink SIP-T3 Administrator's Manual page 167

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
0-Disabled, if "over_the_air.handset_tip" is set to 1 (Enabled), it will pop up a tip on the handset to
notify the user of firmware upgrade. If "over_the_air.handset_tip" is set to 0, you may go to Settings >
Permitted
Upgrade Firmware on the handset to trigger the upgrading manually.
Values
1-Enabled, it will upgrade the handset firmware compulsively without a pop-up tip on the handset.
Default 1
Supported
All handsets except DD phones
Devices
Parameter over_the_air.base_trigger
It enables or disables to upgrade the handset firmware compulsively when the phone detects a new
Description
handset firmware from the provisioning server.
0-Disabled, if "over_the_air.handset_tip" is set to 1 (Enabled), it will pop up a tip on the handset to
notify the user to confirm upgrading the firmware or not. If "over_the_air.handset_tip" is set to 0, you
Permitted
may go to Settings > Upgrade Firmware on the handset to trigger the upgrading manually.
Values
1-Enabled, it will upgrade the handset firmware compulsively without a pop-up tip on the handset.
Default 1
Parameter over_the_air.url.w52h
It configures the access URL of the W52H handset firmware file.
Description
Note: The priority of parameter "over_the_air.url.w52h" is higher than "over_the_air.url".
Permitted
URL within 511 characters
Values
Default Blank
Parameter over_the_air.url.w53h
It configures the access URL of the W53H handset firmware file.
Description
Note: The priority of parameter "over_the_air.url.w53h" is higher than "over_the_air.url".
Permitted
URL within 512 characters
Values
Default Blank
Parameter over_the_air.url.w59r
It configures the access URL of the W59R handset firmware file.
Description
Note: The priority of parameter "over_the_air.url.w59r" is higher than "over_the_air.url".
Permitted
URL within 512 characters
Values
Default Blank
Parameter over_the_air.url.t41s_dd10k
It configures the access URL of the DD phone firmware file.
Description
Note: The priority of parameter "over_the_air.url.t41s_dd10k" is higher than "over_the_air.url".
Permitted
URL within 512 characters
Values
Default Blank
Parameter over_the_air.url.t54w_dd10k
Description It configures the access URL of the DD Phone firmware file.
161
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg
<y0000000000xx>.cfg