Certificate Authority Certificate that is contained in the existing application software files. If the
Signing Authority Certificate is invalid, the package is deleted. If the Signing Authority
Certificate is valid, the Hardware Version File in the package is validated using the
corresponding Signature File in the package and the Signing Authority Certificate. If the
signature is invalid, the package is deleted. If the signature is valid, the Hardware Version File
is used to validate whether the package is valid for the model and hardware version of the
telephone. If it is invalid, the package is deleted. If it is valid, the signature of the Software
Packages is validated using the corresponding Signature Files in the package and the Signing
Authority Certificate. If either signature is invalid, the package is deleted.
If the signatures are valid and the Signed Software Package is a Signed Application/Library
Software Package, the package is stored in Temporary Storage. If the Backup Flag is set in
the Hardware Version File, a copy of the Signed Application / Library Software Package is also
stored as the Backup Package, replacing the previous Backup Package.
If the signatures are valid and the Signed Software Package is a Signed Kernel/Root Software
Package, the Kernel Software Package and/or the Root File System Software Package is
installed if either has a different file name than the currently installed version, replacing the
existing corresponding files in the Kernel/Root File System that was not active during startup
(a Root File System Software Package may also install new boot programs in the boot program
area), that Kernel/Root File System is marked as the one to be activated after the next power-
up or reset, and the value of the persistent parameter RFSINUSE is set to the file name of the
Signed Kernel/Root Software Package that was installed.
Finally, if a new Signed Kernel/Root Software Package was installed, the telephone will reset
to activate the new Kernel/Root File System, which will install a new Signed Application/Library
Software Package as described above if one has been stored in Temporary Storage. If a new
Signed Kernel/Root Software Package was not installed, the telephone application attempts
to register with a call server.
How the power-up and reset process works
When you plug the IP deskphone set into the Ethernet wall jack and apply power, if applicable,
the following process takes place.
Note:
If the application has already been downloaded, the whole process takes approximately 1
to 2 minutes after the phone is plugged in. For software upgrades, including the boot file
and application file download, the process might take 5 to 10 minutes. The duration is based
on LAN loading, how many telephones are being installed at once, and similar factors. Do
not unplug the power cord during the download process.
During hardware initialization, the system initialization values NVCONTRAST and
NVBRIGHTNESS are checked for non-null values, and set accordingly. The Avaya one-X™
name and logo display on sets with bit-mapped displays.
How the power-up and reset process works
H.323 Installation & Maintenance Guide R6.1 May 2011 27
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