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Yealink IP Phones Auto Provisioning Guide
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Why is the permission denied when uploading files to the root directory of the FTP
server?
Ensure that the complete path to the root directory of the FTP server is authorized.
Check security permissions on the root directory of the FTP server, if necessary,
change the permissions.
Why doesn‟t the IP phone obtain the IP address from the DHCP server?
Ensure that settings are correct on the DHCP server.
Ensure that the IP phone is configured to obtain the IP address from the DHCP
server.
Why doesn‟t the IP phone download the ring tone?
Ensure that the file format of the ring tone is *.wav.
Ensure that the size of the ring tone file is no larger than that the IP phone supports.
Ensure that the properties of the ring tone for the IP phone are correct.
Ensure that the network is available and the root directory is right for downloading.
Ensure that the ring tone file exists on the provisioning server.
Why doesn‟t the IP phone update configurations?
Ensure that the configuration files are different from the last ones.
Ensure that the IP phone has downloaded the configuration files.
Ensure that the parameters are correctly set in the configuration files.