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6. While the upgrade script file is being downloaded from the HTTP server, all IP telephones
display the following message:
HTTP:n sc etag
where n is the number of the IP Address obtained from the HTTP server, sc is the status
code of the HTTP response and etag is the value of the ETag header.
7. The script file is processed. The software determines that the name of the boot code file in
the telephone (BOOTNAME) is not the latest version. APPNAME is set to the name of an
application file to replace the boot code. The following message displays while the
application file is downloaded into RAM:
app_filename
n KB received
where n is the number of KBs downloaded.
8. When the telephone determines that the application file received is valid, the following
message displays:
File Obtained;please wait...
s secs
where s is the number of seconds that elapse while non-volatile memory is erased.
9. The following message displays while the application file is stored in flash memory:
Saving to flash
n%, x secs
where n is the percentage of the file that was stored, and x is the number of elapsed
seconds. This usually takes longer than the file's download.
10. The telephone is reset so the new system-specific application file can be executed.
11. Continue with the next procedure.
Latest Boot File and System-Specific
Application File Already Loaded
This happens with normal resets.
1. The telephone displays:
Restarting...
Scenarios for the Restart Process
Issue 2 December 2007
65
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