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If an outgoing or incoming call is made or received on the IP Phone 1535 during
the software update process, the update process is halted for the duration of
the call.
FTP software update process
The IP Phone 1535 can perform updates to its installed system software, by
connecting to a locally provisioned FTP update server and automatically
detecting, downloading, and installing any available updates it finds there.
The sequence for a successful FTP-based software update to the IP Phone
1535 is as follows:
1. The IP Phone 1535 opens a connection to your configured FTP server.
2. Upon successful connection, the Username and Password (ipphone /
3. The IP Phone 1535 retrieves the FirmwareUpdateRequest.acfg file for
4. The FirmwareUpdateRequest.acfg file points the IP Phone 1535 to
5. If the firmware on the phone is found to be current, the FTP connection
6. If the firmware is not current, the IP Phone 1535 retrieves and
7. After the successful download and install of the available upgrade, the
Provisioning the FTP update server
For the IP Phone 1535 to successfully perform updates to its system
software, certain provisioning requirements must be met on the local FTP
server hosting the IP Phone 1535 software update files.
This section details the provisioning requirements of your FTP update
server by providing descriptions of:
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Copyright © 2009, Nortel Networks
.
15354all) are sent automatically by the IP Phone 1535 for authentication
on the FTP server.
its currently installed version from the [software version] directory of
your FTP server.
information about available upgrades. In order to successfully complete
the upgrade process, you must update this file within the existing
software directory for any new FTP image that is placed on the FTP
server.
is closed.
applies the upgrade, according to the directory specified by the
FirmwareUpdateRequest.acfg file.
IP Phone 1535 determines itself to be current and closes the active
connection to your FTP server.
the required configuration of the FTP server login account (used by the
IP Phone 1535 for connections to the FTP update server),
Nortel Communications Servers
Nortel IP Phone 1535 Installation and Commissioning
NN43160-300 02.03 Standard
Release 4.0/SN10 28 October 2009
Provisioning the FTP update server 41
ATTENTION
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