User guide

Downloading and Verifyin g Configurations
23
Once obtains a provisioning server address from one of the way introduced above. The
phone will link to the provisioning server and download the configuration files. During
the provisioning process, the phone will try to download the C ommon CFG file first, and
then try to download the MAC-Oriented CFG file from the root directory of the
provisioning server. If resource files need to be updated and the access URL has been
specified in the configuration file. The phone will then try to download and update the
resource files.
After auto provisioning, the phone boots up. You can then verify the update via phone
user interface, or you can verify it via web user interface of the phone. For more
information, refer to the user guide of the Yealink IP phones.
During the auto provisioning process, you can monitor the downloading request and
response message by a WinPcap tool.
If the MD5 value of the CFG file is different from that of the last one, the phone updates the
configuration and then reboots. Otherwise, the phone gives up update and doesn’t reboot.
Example1: Yealink IP phone downloads configuration files from the TFTP server.