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Downloading and Verifying Configurations
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Downloading and Verifying Configurations
Downloading Boot, Configuration and Resource Files
After obtaining the provisioning server address in one of the ways introduced above, the phone
will request to download the boot files and configuration files from the provisioning server
when it is triggered to perform auto provisioning.
The phone will try to download the MAC-Oriented boot file firstly and then download the
configuration files referenced in the MAC-Oriented boot file from the provisioning server
during the auto provisioning. If no MAC-Oriented boot file is found, the phone will try to
download the common boot file and then download the configuration files referenced in the
common boot file. If no common boot file is found, the phone will try to download the
Common CFG file firstly, and then try to download the MAC-Oriented CFG file from the
provisioning server – that is, the old mechanism for auto provisioning.
The phone downloads configuration files referenced in the boot file based on the value of the
parameter “specific_model.excluded_mode”. For more information, refer to
With Boot Files
(New Mechanism ).
If the access URLs of the resource files have been specified in the configuration files, the phone
will try to download the resource files.
Resolving and Updating Configurations
After downloading, the phone resolves the configuration files and resource files (if specified in
the configuration files), and then updates the configurations and resource files to the phone
flash. Generally, updated configurations will automatically take effect after the auto
provisioning process is completed. For update of some specific configurations which require a
reboot before taking effect, for example, network configurations, the phone will reboot to make
the configurations effective after the auto provisioning process is completed.
The phone calculates the MD5 values of the downloaded files before updating them. If the
MD5 values of the Common and MAC-Oriented configuration files are the same as those of the
last downloaded configuration files, this means these two configuration files on the
provisioning server are not changed. The phone will complete the auto provisioning without
repeated update. This is used to avoid unnecessary restart and impact of phone use. On the
contrary, the phone will update configurations.
The latest values applied to the phones are the values that take effect.
The phone will reboot when there is at least a specific configuration requiring a reboot after
auto provisioning.
For more information on the specific configuration which require a reboot during auto
provisioning, refer to the latest Administrator Guide for your phone on
Yealink Technical
Support .