40IP Phone 1535 System Software Updates

The FirmwareUpdateRequest.acfg file requires special handling in its placement on your FTP server - for each firmware update package, there is a new version of the FirmwareUpdateRequest.acfg file, and for the IP Phone 1535 to be able to use it effectively, it needs to be placed into the folder for the previous available software version. That is, if you receive a new firmware update package, 0.1.13, for example, that package contains a FirmwareUpdateRequest.acfg file. Instead of placing the file in the 0.1.13 [software version] folder, though, you must place the FirmwareUpdateRequest.acfg file in the folder for the previous update software version, 0.1.12, so that the file points to the latest available install package.

To better understand this, consider the way the IP Phone 1535 uses the FirmwareUpdateRequest.acfg file in learning about and finding available updates:

1.Upon initiation of the Software Update process, the IP Phone 1535 makes a connection to your FTP server, authenticates, and then looks in your FTP server’s root directory for the folder corresponding to its hardware version, and then looks for the folder that corresponds to its installed software version.

2.Once the IP Phone 1535 reaches the software version folder that corresponds to its installed software version, it searches for the FirmwareUpdateRequest.acfg file to compare its installed firmware version number with the firmware version number of the FirmwareUpdateRequest.acfg file.

3.If the IP Phone 1535 has a software version number that matches that of the FirmwareUpdateRequest.acfg file, then the IP Phone 1535 determines itself to be current and closes the active connection to your FTP server. If the FirmwareUpdateRequest.acfg file is one from a later version, though, the IP Phone moves up one folder level (to the [hardware version] folder level) and then searches for a folder that corresponds to the version number contained in the FirmwareUpdateRequest.acfg file. Upon finding that folder, it initiates the download and installation of the firmware update it finds in this new folder. The IP Phone then repeats the process of checking the FirmwareUpdateRequest.acfg file in the latest folder, to determine if more updates are available, until it is fully updated.

The reason for placing the FirmwareUpdateRequest.acfg file from the latest firmware update package into the [software version] folder for the previous version is because the IP Phone initially moves only to the folder for its current software version. Placing the FirmwareUpdateRequest.acfg file for the later version in the folder for the earlier version allows the IP Phone to discover that it should leave the folder for its current version and look for a folder one version up so that it can find updates there.

Nortel Multimedia Communications Server 5100

Nortel IP Phone 1535 Installation and Commissioning

NN43160-300 00.13 Preliminary

Release 4.0 22 August 2007

Copyright © 2007, Nortel Networks

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Nortel Networks 5100 manual IP Phone 1535 System Software Updates

5100 specifications

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