[cisco-voip] CUCM 7.1(3a) ATA Box rejected

[Ryan Ratliff]

The issue was with the size of the configuration file and a 4k limit the ATAs had.  Typically the ATA will fail to parse the file if it's too large, and just try to register with the configured TFTP server.  If the TFTP server isn't in the CM group for the ATA this could cause the registration to get rejected.

The easiest way to try and workaround this is to create a device pool with a CM group with only a single server in it, and as minimal of a configuration as you can make it.  This will hopefully drop the config file down below 4k and let the ATA upgrade to the newer load.  At that point you can move it back to the normal device pool and it will be fine.

-Ryan

On Apr 13, 2010, at 11:03 AM, Robert Kulagowski wrote:

>> we plan the upgrade of our Callmanager Cluster from 4.2(3) to 7.1(3a).
>> We have some ATA Boxes attached to the CallManager. We tried the upgrade in
>> our lab and found out, that most of the ATA Boxes updatetd itself fine.
>> However one Box appears as "Rejected" in the ccmadmin Device Pages. I did a
>> factory reset, but the ATA box is still rejected.
>> 
>> Has anyone an idea why? Other ATA Boxes with the same HW typ are up and
>> running.
> 
> Have you checked the archives of this list?  I'm pretty sure that
> you'll see that there's an issue with the firmware of the ATA needing
> to be on 3.2.4 _before_ the upgrade to 7.1.3(a).
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