Huawei eSpace 6805 Administrator's Manual page 44

Huawei IP Phone eSpace
6805&6810&6830&6850&6870
Administrator Guide
After you complete the preceding procedure, the IP phones can download software version
files and configuration files from the server and can run normally after being restarted. You
are advised to test on certain IP phones to ensure that the IP phones run normally.
If some phones failed to be upgraded, the possible cause is that too many phones send
upgrade requests to the server at the same time, and the server cannot handle all those requests.
You are advised to remotely restart these phones on the ACS. The phone downloads the
software version from the file server during the restart.
Issue 01 (2012-06-20)
After being powered on, a phone obtains the IP address from the DHCP server. Then the
DHCP server delivers the version file URL and configuration file URL to the phone
using the Option248 parameters. After obtaining the URLs, the phone searches the file
server for the version file and configuration file and compares them with those on the
phone. If The settings in the files are different, the phone configurations automatically
update.
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3 Configuring and Upgrading IP Phones in Batches
39